Journal of Preventive Medicine and Public Health

Original Articles

Healthcare Systems and COVID-19 Mortality in Selected OECD Countries: A Panel Quantile Regression Analysis: Jalil Safaei, Andisheh Saliminezhad; J Prev Med Public Health. 2023;56(6):515-522. Published online October 15, 2023; DOI: https://doi.org/10.3961/jpmph.23.162

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Abstract Summary PDF: Objectives
The pandemic caused by coronavirus disease 2019 (COVID-19) has exerted an unprecedented impact on the health of populations worldwide. However, the adverse health consequences of the pandemic in terms of infection and mortality rates have varied across countries. In this study, we investigate whether COVID-19 mortality rates across a group of developed nations are associated with characteristics of their healthcare systems, beyond the differential policy responses in those countries.
Methods
To achieve the study objective, we distinguished healthcare systems based on the extent of healthcare decommodification. Using available daily data from 2020, 2021, and 2022, we applied quantile regression with non-additive fixed effects to estimate mortality rates across quantiles. Our analysis began prior to vaccine development (in 2020) and continued after the vaccines were introduced (throughout 2021 and part of 2022).
Results
The findings indicate that higher testing rates, coupled with more stringent containment and public health measures, had a significant negative impact on the death rate in both pre-vaccination and post-vaccination models. The data from the post-vaccination model demonstrate that higher vaccination rates were associated with significant decreases in fatalities. Additionally, our research indicates that countries with healthcare systems characterized by high and medium levels of decommodification experienced lower mortality rates than those with healthcare systems involving low decommodification.
Conclusions
The results of this study indicate that stronger public health infrastructure and more inclusive social protections have mitigated the severity of the pandemic’s adverse health impacts, more so than emergency containment measures and social restrictions.; Summary

Key Message
This study investigates whether COVID-19 mortality rates across a group of developed nations are associated with characteristics of their healthcare systems, beyond the differential policy responses in those countries. To this aim, a quantile regression with non-additive fixed effects is applied to estimate mortality rates across quantiles. The results of this study indicate that stronger public health infrastructure and more inclusive social protections have mitigated the severity of the pandemic’s adverse health impacts, more so than emergency containment measures and social restrictions.

Changes in the Hospital Standardized Mortality Ratio Before and During the COVID-19 Pandemic: A Disaggregated Analysis by Region and Hospital Type in Korea: EunKyo Kang, Won Mo Jang, Min Sun Shin, Hyejin Lee, Jin Yong Lee; J Prev Med Public Health. 2023;56(2):180-189. Published online March 20, 2023; DOI: https://doi.org/10.3961/jpmph.22.479

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Abstract Summary PDF: Objectives
The coronavirus disease 2019 (COVID-19) pandemic has led to a global shortage of medical resources; therefore, we investigated whether COVID-19 impacted the quality of non-COVID-19 hospital care in Korea by comparing hospital standardized mortality rates (HSMRs) before and during the pandemic.
Methods
This retrospective cohort study analyzed Korean National Health Insurance discharge claim data obtained from January to June in 2017, 2018, 2019, and 2020. Patients’ in-hospital deaths were classified according to the most responsible diagnosis categories. The HSMR is calculated as the ratio of expected deaths to actual deaths. The time trend in the overall HSMR was analyzed by region and hospital type.
Results
The final analysis included 2 252 824 patients. In 2020, the HSMR increased nationwide (HSMR, 99.3; 95% confidence interval [CI], 97.7 to 101.0) in comparison to 2019 (HSMR, 97.3; 95% CI, 95.8 to 98.8). In the COVID-19 pandemic zone, the HSMR increased significantly in 2020 (HSMR, 112.7; 95% CI, 107.0 to 118.7) compared to 2019 (HSMR, 101.7; 95% CI, 96.9 to 106.6). The HSMR in all general hospitals increased significantly in 2020 (HSMR, 106.4; 95% CI, 104.3 to 108.5) compared to 2019 (HSMR, 100.3; 95% CI, 98.4 to 102.2). Hospitals participating in the COVID-19 response had a lower HSMR (HSMR, 95.6; 95% CI, 93.9 to 97.4) than hospitals not participating in the COVID-19 response (HSMR, 124.3; 95% CI, 119.3 to 129.4).
Conclusions
This study suggests that the COVID-19 pandemic may have negatively impacted the quality of care in hospitals, especially general hospitals with relatively few beds. In light of the COVID-19 pandemic, it is necessary to prevent excessive workloads in hospitals and to properly employ and coordinate the workforce.; Summary

Korean summary
코로나19 대유행 지역은 비감염 지역과 달리 2019년에 비해 2020년에 HSMR이 크게 증가했고, 상대적으로 병상 수가 적은 종합병원에서 HSMR이 증가했다. 코로나19 대응에 참여하는 병원은 병원 규모와 관계없이 HSMR이 낮은 경향을 보였다. 감염병 유행 시 병원의 과도한 업무량이 부여되지 않게하고 인력을 적절하게 고용하여 조정하는 것이 필요하다.

Systematic Review

Factors Associated With Failure of Health System Reform: A Systematic Review and Meta-synthesis: Mahboubeh Bayat, Tahereh Kashkalani, Mahmoud Khodadost, Azad Shokri, Hamed Fattahi, Faeze Ghasemi Seproo, Fatemeh Younesi, Roghayeh khalilnezhad; J Prev Med Public Health. 2023;56(2):128-144. Published online March 14, 2023; DOI: https://doi.org/10.3961/jpmph.22.394

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Abstract PDF

Objectives
The health system reform process is highly political and controversial, and in most cases, it fails to realize its intended goals. This study was conducted to synthesize factors underlying the failure of health system reforms.
Methods
In this systematic review and meta-synthesis, we searched 9 international and regional databases to identify qualitative and mixed-methods studies published up to December 2019. Using thematic synthesis, we analyzed the data. We utilized the Standards for Reporting Qualitative Research checklist for quality assessment.
Results
After application of the inclusion and exclusion criteria, 40 of 1837 articles were included in the content analysis. The identified factors were organized into 7 main themes and 32 sub-themes. The main themes included: (1) reforms initiators’ attitudes and knowledge; (2) weakness of political support; (3) lack of interest group support; (4) insufficient comprehensiveness of the reform; (5) problems related to the implementation of the reform; (6) harmful consequences of reform implementation; and (7) the political, economic, cultural, and social conditions of the society in which the reform takes place.
Conclusions
Health system reform is a deep and extensive process, and shortcomings and weaknesses in each step have overcome health reform attempts in many countries. Awareness of these failure factors and appropriate responses to these issues can help policymakers properly plan and implement future reform programs and achieve the ultimate goals of reform: to improve the quantity and quality of health services and the health of society.

Summary

Citations

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Inducing collective action intentions for healthcare reform through medical crowdfunding framing
Krystallia Moysidou, Smadar Cohen Chen
Social Science & Medicine.2023; 333: 116090. CrossRef

Original Articles

SWOT Analysis and Expert Assessment of the Effectiveness of the Introduction of Healthcare Information Systems in Polyclinics in Aktobe, Kazakhstan: Lyudmila Yermukhanova, Zhanar Buribayeva, Indira Abdikadirova, Anar Tursynbekova, Meruyert Kurganbekova; J Prev Med Public Health. 2022;55(6):539-548. Published online October 11, 2022; DOI: https://doi.org/10.3961/jpmph.22.360

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Abstract PDF: Objectives
The purpose of this study was to assess the organizational effectiveness of the introduction of a healthcare information system (electronic medical records and databases) in healthcare in Kazakhstan.
Methods
The authors used a combination of 2 methods: expert assessment and strengths, weaknesses, opportunities, and threats (SWOT) analysis. SWOT analysis is a necessary element of research, constituting a mandatory preliminary stage both when drawing up strategic plans and for taking corrective measures in the future. The expert survey was conducted using 2 questionnaires.
Results
The study involved 40 experts drawn from specialists in primary healthcare in Aktobe: 15 representatives of administrative and managerial personnel (chief doctors and their deputies, heads of medical statistics offices, organizational and methodological offices, and internal audit services) and 25 general practitioners.
Conclusions
The following functional indicators of the medical and organizational effectiveness of the introduction of information systems in polyclinics were highlighted: first, improvement of administrative control, followed in descending order by registration and movement of medical documentation, statistical reporting and process results, and the cost of employees’ working time. There has been no reduction in financial costs, namely in terms of the costs of copying, delivery of information in paper form, technical equipment, and paper.; Summary

Increase in Potential Low-value Magnetic Resonance Imaging Utilization Due to Out-of-pocket Payment Reduction Across Income Groups in Korea: An Experimental Vignette Study: Yukyung Shin, Ji-su Lee, Young Kyung Do; J Prev Med Public Health. 2022;55(4):389-397. Published online July 11, 2022; DOI: https://doi.org/10.3961/jpmph.22.208

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Abstract Summary PDF Supplementary Material

Objectives
This study examined the effect of out-of-pocket (OOP) payment reduction on the potential utilization of low-value magnetic resonance imaging (MRI) across income groups.
Methods
We conducted an experimental vignette survey using a proportional quota-based sample of individuals in Korea (n=1229). In two hypothetical vignettes, participants were asked whether they would be willing to use MRI if they had uncomplicated headache and non-specific low back pain, each before and after OOP payment reduction. To account for the possible role of physician inducement, half of the participants were initially presented with vignettes that included a physician recommendation for low-value care. The predicted probability, slope index of inequality (SII), and relative index of inequality (RII) were calculated using logistic regression.
Results
Before OOP payment reduction, the lowest income quintile was least likely to use low-value MRI regardless of physician inducement (36.7-49.6% for low back pain; 30.5-39.3% for headache). After OOP payment reduction, almost all individuals in each income quintile were willing to use low-value MRI (89.8-98.0% for low back pain; 78.1-90.3% for headache). Absolute and relative inequalities concerning potential low-value MRI utilization decreased after OOP payments were reduced, even without physician inducement (SII: from 8.15 to 5.37%, RII: from 1.20 to 1.06 for low back pain; SII: from 6.99 to 0.83%, RII: from 1.20 to 1.01 for headache).
Conclusions
OOP payment reduction for MRI has the potential to increase low-value care utilization among all income groups while decreasing inequality in low-value care utilization.

Summary

Korean summary
실험적 비네트 디자인을 활용하여 환자 본인부담금 감소가 잠재적 저가치 MRI 이용에 미치는 영향을 소득 수준별로 분석한 연구이다. 본인부담금 감소로 인해 잠재적 저가치 MRI 이용은 모든 소득 수준에서 증가하고 잠재적 저가치 MRI 이용의 소득 수준에 따른 차이는 감소하는 결과를 보였다.

Citations

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Socioeconomic inequality in organized and opportunistic screening for colorectal cancer: results from the Korean National Cancer Screening Survey, 2009-2021
Xuan Quy Luu, Kyeongmin Lee, Jae Kwan Jun, Mina Suh, Kui Son Choi
Epidemiology and Health.2023; 45: e2023086. CrossRef

Public Preferences for Allocation Principles for Scarce Medical Resources in the COVID-19 Pandemic in Korea: Comparisons With Ethicists’ Recommendations: Ji-Su Lee, Soyun Kim, Young Kyung Do; J Prev Med Public Health. 2021;54(5):360-369. Published online August 26, 2021; DOI: https://doi.org/10.3961/jpmph.21.333

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Abstract Summary PDF Supplementary Material

Objectives
The purpose of this study was to investigate public preferences regarding allocation principles for scarce medical resources in the coronavirus disease 2019 (COVID-19) pandemic, particularly in comparison with the recommendations of ethicists.
Methods
An online survey was conducted with a nationally representative sample of 1509 adults residing in Korea, from November 2 to 5, 2020. The degree of agreement with resource allocation principles in the context of the medical resource constraints precipitated by the COVID-19 pandemic was examined. The results were then compared with ethicists’ recommendations. We also examined whether the perceived severity of COVID-19 explained differences in individual preferences, and by doing so, whether perceived severity helps explain discrepancies between public preferences and ethicists’ recommendations.
Results
Overall, the public of Korea agreed strongly with the principles of “save the most lives,” “Koreans first,” and “sickest first,” but less with “random selection,” in contrast to the recommendations of ethicists. “Save the most lives” was given the highest priority by both the public and ethicists. Higher perceived severity of the pandemic was associated with a greater likelihood of agreeing with allocation principles based on utilitarianism, as well as those promoting and rewarding social usefulness, in line with the opinions of expert ethicists.
Conclusions
The general public of Korea preferred rationing scarce medical resources in the COVID-19 pandemic predominantly based on utilitarianism, identity and prioritarianism, rather than egalitarianism. Further research is needed to explore the reasons for discrepancies between public preferences and ethicists’ recommendations.

Summary

Korean summary
코로나19 대유행으로 가시화된 의료자원의 부족 상황에서 서로 다른 의료자원 배분 원칙에 대한 일반 대중의 선호를 조사한 연구이다. 제시된 여러 원칙 중에서, 공리주의, 한국인 아이덴티티, 약자우선주의에 기초한 배분 원칙이 가장 높은 선호를 보였다. 이러한 결과는, 일반 상황과 달리 감염병 대유행 상황에서는 공리주의에 기초한 배분 원칙을 강화하되 사회적 유용성도 자원 배분의 주요 원칙으로 받아들일 수 있다는 윤리학자들의 견해와는 차이를 보인다.

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Nico Gradwohl, Hansjörg Neth, Helge Giese, Wolfgang Gaissmaier
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Health Professional vs Layperson Values and Preferences on Scarce Resource Allocation
Russell G. Buhr, Ashley Huynh, Connie Lee, Vishnu P. Nair, Ruby Romero, Lauren E. Wisk
JAMA Network Open.2024; 7(3): e241958. CrossRef
What are the views of Quebec and Ontario citizens on the tiebreaker criteria for prioritizing access to adult critical care in the extreme context of a COVID-19 pandemic?
Claudia Calderon Ramirez, Yanick Farmer, Andrea Frolic, Gina Bravo, Nathalie Orr Gaucher, Antoine Payot, Lucie Opatrny, Diane Poirier, Joseph Dahine, Audrey L’Espérance, James Downar, Peter Tanuseputro, Louis-Martin Rousseau, Vincent Dumez, Annie Descôtea
BMC Medical Ethics.2024;[Epub] CrossRef
Consensual ideas for prioritizing patients: correlates of preferences in the allocation of medical resources
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Perspective

What Else Is Needed in the Korean Government’s Master Plan for People With Developmental Disabilities?: Jin Yong Lee, Jieun Yun; J Prev Med Public Health. 2019;52(3):200-204. Published online May 7, 2019; DOI: https://doi.org/10.3961/jpmph.18.249

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Abstract Summary PDF Supplementary Material

On September 12, 2018, President Jae-In Moon announced the Comprehensive Plan for Lifelong Care for People with Developmental Disabilities, with representatives from the associated government branches (Ministry of Health and Welfare, Ministry of Education, and Ministry of Employment and Labor) in attendance. The goals of this plan are to provide health, medical, rehabilitative, special education, and social welfare services according to the life-stages of the affected individuals; to reduce parental pressure; to promote social interventions; and to enhance community-level participation in order to create a ‘welfare society in harmony.’ However, in order for the plan to succeed, additional efforts must be made in the following areas. First, an epidemiological survey is needed to understand the scale, prevalence, and incidence of developmental disabilities and to establish an evidence base to support policy development. Second, accurate definitions of developmental disabilities must be established in order to avoid policy discrimination based on impairment type and age. Third, personal evaluations to assess disabled individuals’ unmet needs and customized service designs to deliver those needs are required. Fourth, the plan must fulfill the goals of accessibility and fairness that the government intends to provide. Fifth, the government should consider an integrated financial support system and to propose a detailed plan for monetary distributions. Finally, an integrated system that links health, medical, employment, educational, and welfare services must be constructed.

Summary

Korean summary
2018년 9월 대통령이 직접 발표한 “발달장애인 평생케어 종합대책”의 성공적인 수행을 위해 필수적인 정책을 제안하였다. 특히, 발달장애인의 정확한 규모, 유병률, 발생률 등 기초적인 현황 파악과 정책 개발을 뒷받침하기 위한 역학연구, 발달장애인 개인평가에 기반한 미충족 필요의 측정과 이를 바탕으로 한 개인별 맟춤형 서비스 디자인, 서비스의 접근성과 형평성 달성, 그리고 보건-의료-고용-교육-복지서비스를 통합적으로 제공할 수 있는 시스템 구축이 필요함을 지적하였다.

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Prevalence and severity of COVID-19 among children and adolescents with autism spectrum disorders in the Republic of Korea
Jieun Yun, Beomjun Kang, Jae-ryun Lee, Hyejin Lee, Jin Yong Lee
Autism.2023; 27(8): 2397. CrossRef
Prevalence and Premature Mortality Statistics of Autism Spectrum Disorder Among Children in Korea: A Nationwide Population-Based Birth Cohort Study
Seung-Mi Yoo, Kyoung-Nam Kim, Sungchan Kang, Hyun Joo Kim, Jieun Yun, Jin Yong Lee
Journal of Korean Medical Science.2022;[Epub] CrossRef
Determining the reasons for unmet healthcare needs in South Korea: a secondary data analysis
Boyoung Jung, In-Hyuk Ha
Health and Quality of Life Outcomes.2021;[Epub] CrossRef
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Young Suk Yoon, Boyoung Jung, Dongsu Kim, In-Hyuk Ha
International Journal of Environmental Research and Public Health.2019; 16(13): 2391. CrossRef
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Original Articles

Impact of Regional Cardiocerebrovascular Centers on Myocardial Infarction Patients in Korea: A Fixed-effects Model: Sang Guen Cho, Youngsoo Kim, Youngeun Choi, Wankyo Chung; J Prev Med Public Health. 2019;52(1):21-29. Published online November 28, 2018; DOI: https://doi.org/10.3961/jpmph.18.154

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Objectives
The Regional Cardiocerebrovascular Center (RCCVC) Project designated local teaching hospitals as RCCVCs, in order to improve patient outcomes of acute cardiocerebrovascular emergencies by founding a regional system that can adequately transfer and manage patients within 3 hours. We investigated the effects of RCCVC establishment on treatment volume and 30-day mortality.
Methods
We constructed a panel dataset by extracting all acute myocardial infarction cases that occurred from 2007 to 2016 from the Health Insurance Review and Assessment Service claims data, a national and representative source. We then used a panel fixed-effect model to estimate the impacts of RCCVC establishment on patient outcomes.
Results
We found that the number of cases of acute myocardial infarction that were treated increased chronologically, but when the time effect and other related covariates were controlled for, RCCVCs only significantly increased the number of treatment cases of female in large catchment areas. There was no statistically significant impact on 30-day mortality.
Conclusions
The establishment of RCCVCs increased the number of treatment cases of female, without increasing the mortality rate. Therefore, the RCCVCs might have prevented potential untreated deaths by increasing the preparedness and capacity of hospitals to treat acute myocardial infarction patients.

Summary

Korean summary
권역심뇌혈관질환센터 설립 사업은 지역별로 심뇌혈관센터를 지정/육성하여, 심뇌혈관질환 발생시 3시간 이내 진료체계를 구축함으로써 급성심근경색과 뇌졸중의 급성기 응급상황에 대한 대응을 강화하고자 시행되었다. 본 연구는 권역심뇌혈관질환센터 설립 정책으로 인해 시술 건수와 30일 내 사망 등과 같은 치료 성과가 지역 수준에서 향상되었는지 살펴보기 위해 건강보험 청구자료로 지역 수준 패널자료를 구축하여 권역심뇌혈관질환센터 설립의 효과를 추정하였다. 분석 결과, 시계열적 효과와 관련 변수를 통제하였을 때 권역심뇌혈관질환센터 설립 이후 설립 지역에서 여성의 치료 사례 수가 통계적으로 유의하게 증가하였고, 사망률은 유의미한 변화가 관찰되지 않았다. 따라서 권역심뇌혈관질환센터 설립은 대비성 향상과 치료 사례 수 증가를 통해 추가적인 치료를 받은 급성심근경색 환자의 잠재적인 원외 사망을 방지하는 효과가 있는 것으로 판단된다.

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Knowledge, Perceptions, and Self-reported Performance of Hand Hygiene Among Registered Nurses at Community-based Hospitals in the Republic of Korea: A Cross-sectional Multi-center Study: Hyang Soon Oh; J Prev Med Public Health. 2018;51(3):121-129. Published online May 14, 2018; DOI: https://doi.org/10.3961/jpmph.17.188

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Abstract PDF Supplementary Material

Objectives
To assess the nurses’ hand hygiene (HH) knowledge, perception, attitude, and self-reported performance in small- and medium-sized hospitals after Middle East Respiratory Syndrome outbreak.
Methods
The structured questionnaire was adapted from the World Health Organization’s survey. Data were collected between June 26 and July 14, 2017.
Results
Nurses showed scores on knowledge (17.6±2.5), perception (69.3±0.8), self-reported HH performance of non-self (86.0±11.0), self-reported performance of self (88.2±11.0), and attitude (50.5±5.5). HH performance rate of non-self was Y₁=36.678+ 0.555X₁ (HH performance rate of self) (adjusted R²=0.280, p<0.001). The regression model for performance was Y₄=18.302+0.247X₄₁ (peception)+0.232X₄₂ (attitude)+0.875X₄₂ (role model); coefficients were significant statistically except attitude, and this model significant statistically (adjusted R²=0.191, p<0.001).
Conclusions
Advanced HH education program would be developed and operated continuously. Perception, attitude, role model was found to be a significant predictors of HH performance of self. So these findings could be used in future HH promotion strategies for nurses.

Summary

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Hand hygiene knowledge, perception, and self-reported performance among nurses in Kelantan, Malaysia: a cross-sectional study
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Has the Copayment Ceiling Improved Financial Protection in the Korean National Health Insurance System? Evidence From the 2009 Policy Change: Tae-Jin Lee, Chelim Cheong; J Prev Med Public Health. 2017;50(6):393-400. Published online November 9, 2017; DOI: https://doi.org/10.3961/jpmph.17.151

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Abstract PDF

Objectives
To relieve the financial burden faced by households, the Korean National Health Insurance (NHI) system introduced a “copayment ceiling,” which evolved into a differential ceiling in 2009, with the copayment ceiling depending on patients’ income. This study aimed to examine the effect of the differential copayment ceiling on financial protection and healthcare utilization, particularly focusing on whether its effects varied across different income groups.
Methods
This study obtained data from the Korea Health Panel. The number of households included in the analysis was 6555 in 2008, 5859 in 2009, 5539 in 2010, and 5372 in 2011. To assess the effects of the differential copayment ceiling on utilization, out-of-pocket (OOP) payments, and catastrophic payments, various random-effects models were applied. Utilization was measured as treatment days, while catastrophic payments were defined as OOP payments exceeding 10% of household income. Among the right-hand side variables were the interaction terms of the new policy with income levels, as well as a set of household characteristics.
Results
The differential copayment ceiling contributed to increased utilization regardless of income levels both in all patients and in cancer patients. However, the new policy did not seem to reduce significantly the incidence of catastrophic payments among cancer patients, and even increased the incidence among all patients.
Conclusions
The limited effect of the differential ceiling can be attributed to a high proportion of direct payments for services not covered by the NHI, as well as the relatively small number of households benefiting from the differential ceilings; these considerations warrant a better policy design.

Summary

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Has South Korea achieved the goals of national health insurance? Trends in financial protection of households between 2011 and 2018
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Special Article

Strategies for Appropriate Patient-centered Care to Decrease the Nationwide Cost of Cancers in Korea: Jong-Myon Bae; J Prev Med Public Health. 2017;50(4):217-227. Published online June 16, 2017; DOI: https://doi.org/10.3961/jpmph.17.069

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In terms of years of life lost to premature mortality, cancer imposes the highest burden in Korea. In order to reduce the burden of cancer, the Korean government has implemented cancer control programs aiming to reduce cancer incidence, to increase survival rates, and to decrease cancer mortality. However, these programs may paradoxically increase the cost burden. For examples, a cancer screening program for early detection could bring about over-diagnosis and over-treatment, and supplying medical services in a paternalistic manner could lead to defensive medicine or futile care. As a practical measure to reduce the cost burden of cancer, appropriate cancer care should be established. Ensuring appropriateness requires patient-doctor communication to ensure that utility values are shared and that autonomous decisions are made regarding medical services. Thus, strategies for reducing the cost burden of cancer through ensuring appropriate patient-centered care include introducing value-based medicine, conducting cost-utility studies, and developing patient decision aids.

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A Systematic Review of Economic Evaluation of Thyroid Cancer
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International Journal of Thyroidology.2022; 15(2): 74. CrossRef
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Original Articles

Evaluation of Geographic Indices Describing Health Care Utilization: Agnus M. Kim, Jong Heon Park, Sungchan Kang, Yoon Kim; J Prev Med Public Health. 2017;50(1):29-37. Published online December 19, 2016; DOI: https://doi.org/10.3961/jpmph.16.099

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190 Download
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Abstract PDF

Objectives
The accurate measurement of geographic patterns of health care utilization is a prerequisite for the study of geographic variations in health care utilization. While several measures have been developed to measure how accurately geographic units reflect the health care utilization patterns of residents, they have been only applied to hospitalization and need further evaluation. This study aimed to evaluate geographic indices describing health care utilization.
Methods
We measured the utilization rate and four health care utilization indices (localization index, outflow index, inflow index, and net patient flow) for eight major procedures (coronary artery bypass graft surgery, percutaneous transluminal coronary angioplasty, surgery after hip fracture, knee replacement surgery, caesarean sections, hysterectomy, computed tomography scans, and magnetic resonance imaging scans) according to three levels of geographic units in Korea. Data were obtained from the National Health Insurance database in Korea. We evaluated the associations among the health care utilization indices and the utilization rates.
Results
In higher-level geographic units, the localization index tended to be high, while the inflow index and outflow index were lower. The indices showed different patterns depending on the procedure. A strong negative correlation between the localization index and the outflow index was observed for all procedures. Net patient flow showed a moderate positive correlation with the localization index and the inflow index.
Conclusions
Health care utilization indices can be used as a proxy to describe the utilization pattern of a procedure in a geographic unit.

Summary

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Development and Evaluation of Rehabilitation Service Areas for the United States
Timothy A. Reistetter, Julianna M. Dean, Allen M. Haas, John D. Prochaska, Daniel C. Jupiter, Karl Eschbach, Yong-Fang Kuo
BMC Health Services Research.2023;[Epub] CrossRef
Factors Associated with End-Of-Life Health Care Use and Spending in Korea in Comparison with the General Population
Agnus M. Kim, Yoon Kim
Journal of Aging & Social Policy.2023; : 1. CrossRef
Presence of Thrombectomy-capable Stroke Centers Within Hospital Service Areas Explains Regional Variation in the Case Fatality Rate of Acute Ischemic Stroke in Korea
Eun Hye Park, Yong Jin Gil, Chanki Kim, Beom Joon Kim, Seung-sik Hwang
Journal of Preventive Medicine and Public Health.2021; 54(6): 385. CrossRef
An ecological study of geographic variation and factors associated with cesarean section rates in South Korea
Agnus M. Kim, Jong Heon Park, Sungchan Kang, Tae Ho Yoon, Yoon Kim
BMC Pregnancy and Childbirth.2019;[Epub] CrossRef
Geographic variation and factors associated with rates of knee arthroplasty in Korea-a population based ecological study
Agnus M. Kim, Sungchan Kang, Jong Heon Park, Tae Ho Yoon, Yoon Kim
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Factors associated with the rates of coronary artery bypass graft and percutaneous coronary intervention
Agnus M. Kim, Jong Heon Park, Seongcheol Cho, Sungchan Kang, Tae Ho Yoon, Yoon Kim
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The Effect of Geographic Units of Analysis on Measuring Geographic Variation in Medical Services Utilization: Agnus M. Kim, Jong Heon Park, Sungchan Kang, Kyosang Hwang, Taesik Lee, Yoon Kim; J Prev Med Public Health. 2016;49(4):230-239. Published online July 14, 2016; DOI: https://doi.org/10.3961/jpmph.16.034

10,613 View
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Abstract PDF Supplementary Material

Objectives
We aimed to evaluate the effect of geographic units of analysis on measuring geographic variation in medical services utilization. For this purpose, we compared geographic variations in the rates of eight major procedures in administrative units (districts) and new areal units organized based on the actual health care use of the population in Korea.
Methods
To compare geographic variation in geographic units of analysis, we calculated the age–sex standardized rates of eight major procedures (coronary artery bypass graft surgery, percutaneous transluminal coronary angioplasty, surgery after hip fracture, knee-replacement surgery, caesarean section, hysterectomy, computed tomography scan, and magnetic resonance imaging scan) from the National Health Insurance database in Korea for the 2013 period. Using the coefficient of variation, the extremal quotient, and the systematic component of variation, we measured geographic variation for these eight procedures in districts and new areal units.
Results
Compared with districts, new areal units showed a reduction in geographic variation. Extremal quotients and inter-decile ratios for the eight procedures were lower in new areal units. While the coefficient of variation was lower for most procedures in new areal units, the pattern of change of the systematic component of variation between districts and new areal units differed among procedures.
Conclusions
Geographic variation in medical service utilization could vary according to the geographic unit of analysis. To determine how geographic characteristics such as population size and number of geographic units affect geographic variation, further studies are needed.

Summary

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Dong-Gyun Sohn, Jaehong Yoon, Jun-Soo Ro, Ja-Ho Leigh
Journal of Korean Medical Science.2023;[Epub] CrossRef
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High Level of Unwarranted Clinical Variation in the Use of Lower Extremity Revascularisation Procedures in Hungary (2013–2017)
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Healthcare utilization among children and young people with life-limiting conditions: Exploring palliative care needs using National Health Insurance claims data
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Regional Variation of Hospitalization Rates for Asthma in Korea: Association with Ambient Carbon Monoxide and Health Care Supply
Agnus M. Kim, Sungchan Kang, Jong Heon Park, Yoon Kim
International Journal of Environmental Research and Public Health.2020; 17(4): 1244. CrossRef
A spatial analysis of geographic variation and factors associated with hospitalization for bacterial pneumonia in Korea
Agnus M. Kim, Sungchan Kang, Jong Heon Park, Tae Ho Yoon, Yoon Kim
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Regional Differences in Years of Life Lost in Korea from 1997 to 2015
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Hospitalizations for ambulatory care sensitive conditions as an indicator of access to primary care and excess of bed supply
Agnus M. Kim, Jong Heon Park, Tae Ho Yoon, Yoon Kim
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An ecological study of geographic variation and factors associated with cesarean section rates in South Korea
Agnus M. Kim, Jong Heon Park, Sungchan Kang, Tae Ho Yoon, Yoon Kim
BMC Pregnancy and Childbirth.2019;[Epub] CrossRef
Geographic variation and factors associated with rates of knee arthroplasty in Korea-a population based ecological study
Agnus M. Kim, Sungchan Kang, Jong Heon Park, Tae Ho Yoon, Yoon Kim
BMC Musculoskeletal Disorders.2019;[Epub] CrossRef
Factors associated with the rates of coronary artery bypass graft and percutaneous coronary intervention
Agnus M. Kim, Jong Heon Park, Seongcheol Cho, Sungchan Kang, Tae Ho Yoon, Yoon Kim
BMC Cardiovascular Disorders.2019;[Epub] CrossRef
Geographic variation in health insurance benefits in Qianjiang District, China: a cross-sectional study
Yue Wu, Liang Zhang, Xuejiao Liu, Ting Ye, Yongfei Wang
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Dan Peng, Xuan Li, Pin Liu, Mei Luo, Shuai Chen, Kewen Su, Zhongshuang Zhang, Qiang He, Jingfu Qiu, Yingli Li
American Journal of Infection Control.2018; 46(12): e81. CrossRef
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Sergei Muratov, Justin Lee, Anne Holbrook, Andrew Costa, J. Michael Paterson, Jason R. Guertin, Lawrence Mbuagbaw, Tara Gomes, Wayne Khuu, Jean-Eric Tarride
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Regional Differences in Years of Life Lost in Korea from 1997 to 2015
Dun-Sol Go, Young-Eun Kim, Munkhzul Radnaabaatar, Yunsun Jung, Jaehun Jung, Seok-Jun Yoon
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Ludovico Pinzari, Soumya Mazumdar, Federico Girosi
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Determinants of Mental Health Care Utilization in a Suicide High-risk Group With Suicidal Ideation: Hyun-Soo Kim, Moo-Sik Lee, Jee-Young Hong; J Prev Med Public Health. 2016;49(1):69-78. Published online January 22, 2016; DOI: https://doi.org/10.3961/jpmph.15.016

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155 Download
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Abstract PDF

Objectives
The suicide rate in Korea is increasing every year, and is the highest among the Organization for Economic Cooperation and Development countries. Psychiatric patients in particular have a higher risk of suicide than other patients. This study was performed to evaluate determinants of mental health care utilization among individuals at high risk for suicide.
Methods
Korea Health Panel data from 2009 to 2011 were used. Subjects were individuals at high risk of suicide who had suicidal ideation, a past history of psychiatric illness, or had utilized outpatient services for a psychiatric disorder associated with suicidal ideation within the past year. The chi-square test and hierarchical logistic regression were used to identify significant determinants of mental health care utilization.
Results
The total number of subjects with complete data on the variables in our model was 989. Individuals suffering from three or more chronic diseases used mental health care more frequently. Mental health care utilization was higher in subjects who had middle or high levels of educational attainment, were receiving Medical Aid, or had a large family size.
Conclusions
It is important to control risk factors in high-risk groups as part of suicide prevention strategies. The clinical approach, which includes community-based intervention, entails the management of reduction of suicidal risk. Our study identified demographic characteristics that have a significant impact on mental health care utilization and should be considered in the development of suicide prevention strategies. Further studies should examine the effect of mental health care utilization on reducing suicidal ideation.

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Predisposing, enabling and need factors associated with past-year health service use for mental health reasons in adults with suicidal ideation in France
Helen-Maria Vasiliadis, Christophe Léon, Enguerrand du Roscoät, Mathilde M. Husky
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Perspective

Implementation of Quaternary Prevention in the Korean Healthcare System: Lessons From the 2015 Middle East Respiratory Syndrome Coronavirus Outbreak in the Republic of Korea: Jong-Myon Bae; J Prev Med Public Health. 2015;48(6):271-273. Published online November 24, 2015; DOI: https://doi.org/10.3961/jpmph.15.059

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Quaternary prevention should be implemented to minimize harm to patients because the ultimate goal of medicine is to prevent disease and promote health. Primary care physicians have a major responsibility in quaternary prevention, and the establishment of clinical epidemiology as a distinct field of study would create a role charged with minimizing patient harm arising from over-medicalization.

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Contribuições técnicas e socioculturais da prevenção quaternária para a atenção primária à saúde
Fernanda Beatriz Melo Maciel, Hebert Luan Pereira Campos dos Santos, Nilia Maria de Brito Lima Prado
Revista Brasileira de Medicina de Família e Comunidade.2020; 15(42): 2571. CrossRef
The Author Reply: A Comment on “Quaternary Prevention in Public Health”
Jong-Myon Bae
Journal of Preventive Medicine and Public Health.2016; 49(2): 141. CrossRef
A Comment on “Quaternary Prevention in Public Health” by Dr. Jong-Myon Bae
Marc Jamoulle
Journal of Preventive Medicine and Public Health.2016; 49(2): 139. CrossRef

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