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Sangjun Lee 3 Articles
Projection of Cancer Incidence and Mortality From 2020 to 2035 in the Korean Population Aged 20 Years and Older
Youjin Hong, Sangjun Lee, Sungji Moon, Soseul Sung, Woojin Lim, Kyungsik Kim, Seokyung An, Jeoungbin Choi, Kwang-Pil Ko, Inah Kim, Jung Eun Lee, Sue K. Park
J Prev Med Public Health. 2022;55(6):529-538.   Published online October 17, 2022
DOI: https://doi.org/10.3961/jpmph.22.128
  • 3,208 View
  • 181 Download
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
This study aimed to identify the current patterns of cancer incidence and estimate the projected cancer incidence and mortality between 2020 and 2035 in Korea.
Methods
Data on cancer incidence cases were extracted from the Korean Statistical Information Service from 2000 to 2017, and data on cancer-related deaths were extracted from the National Cancer Center from 2000 to 2018. Cancer cases and deaths were classified according to the International Classification of Diseases, 10th edition. For the current patterns of cancer incidence, age-standardized incidence rates (ASIRs) and age-standardized mortality rates were investigated using the 2000 mid-year estimated population aged over 20 years and older. A joinpoint regression model was used to determine the 2020 to 2035 trends in cancer.
Results
Overall, cancer cases were predicted to increase from 265 299 in 2020 to 474 085 in 2035 (growth rate: 1.8%). The greatest increase in the ASIR was projected for prostate cancer among male (7.84 vs. 189.53 per 100 000 people) and breast cancer among female (34.17 vs. 238.45 per 100 000 people) from 2000 to 2035. Overall cancer deaths were projected to increase from 81 717 in 2020 to 95 845 in 2035 (average annual growth rate: 1.2%). Although most cancer mortality rates were projected to decrease, those of breast, pancreatic, and ovarian cancer among female were projected to increase until 2035.
Conclusions
These up-to-date projections of cancer incidence and mortality in the Korean population may be a significant resource for implementing cancer-related regulations or developing cancer treatments.
Summary
Korean summary
최근 고령화 시대로 접어들고 암의 위험요인들에 대한 노출률이 변화함에 따라 암의 발생률 및 사망률에 대해서 관찰하는 것은 중요한 일이 되었다. 따라서, 본 연구는 한국인에서 2035년까지의 암에 대한 발생률과 사망률을 Joinpoint regression 모델을 이용하여 예측하였다. 남성에서는 전립선암, 여성에서는 유방암이 연령표준화 발생률이 가장 높았으며 대부분의 연령표준화 사망률은 감소하는 것으로 예상되지만 여성의 유방암, 췌장암, 난소암이 증가될 것으로 예상된다.

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  • Changes in metabolic syndrome and the risk of breast and endometrial cancer according to menopause in Korean women
    Thi Xuan Mai Tran, Soyeoun Kim, Boyoung Park
    Epidemiology and Health.2023; 45: e2023049.     CrossRef
The Korea Cohort Consortium: The Future of Pooling Cohort Studies
Sangjun Lee, Kwang-Pil Ko, Jung Eun Lee, Inah Kim, Sun Ha Jee, Aesun Shin, Sun-Seog Kweon, Min-Ho Shin, Sangmin Park, Seungho Ryu, Sun Young Yang, Seung Ho Choi, Jeongseon Kim, Sang-Wook Yi, Daehee Kang, Keun-Young Yoo, Sue K. Park
J Prev Med Public Health. 2022;55(5):464-474.   Published online September 12, 2022
DOI: https://doi.org/10.3961/jpmph.22.299
  • 3,150 View
  • 117 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
We introduced the cohort studies included in the Korea Cohort Consortium (KCC), focusing on large-scale cohort studies established in Korea with a prolonged follow-up period. Moreover, we also provided projections of the follow-up and estimates of the sample size that would be necessary for big-data analyses based on pooling established cohort studies, including population-based genomic studies.
Methods
We mainly focused on the characteristics of individual cohort studies from the KCC. We developed “PROFAN”, a Shiny application for projecting the follow-up period to achieve a certain number of cases when pooling established cohort studies. As examples, we projected the follow-up periods for 5000 cases of gastric cancer, 2500 cases of prostate and breast cancer, and 500 cases of non-Hodgkin lymphoma. The sample sizes for sequencing-based analyses based on a 1:1 case-control study were also calculated.
Results
The KCC consisted of 8 individual cohort studies, of which 3 were community-based and 5 were health screening-based cohorts. The population-based cohort studies were mainly organized by Korean government agencies and research institutes. The projected follow-up period was at least 10 years to achieve 5000 cases based on a cohort of 0.5 million participants. The mean of the minimum to maximum sample sizes for performing sequencing analyses was 5917-72 102.
Conclusions
We propose an approach to establish a large-scale consortium based on the standardization and harmonization of existing cohort studies to obtain adequate statistical power with a sufficient sample size to analyze high-risk groups or rare cancer subtypes.
Summary
Korean summary
한국 코호트 컨소시엄(KCC)은 “2015년 한국의 생활 습관 및 환경 요인에 따른 암 기여분율” 프로젝트의 3단계 과업으로써, 본 프로젝트에 참여한 기존의 구축된 개인 코호트 연구의 연구자들을 주도로 다수의 대규모 한국 코호트 연구를 기반으로 구성되었다. 따라서 본 연구는 KCC에 포함된 한국 코호트 연구를 소개하는 것을 목표로 하였다. 또한 여러 기 확립된 국제 컨소시엄을 기반으로 빅데이터 기반 코호트 풀링 연구의 중요성을 제시하였다.

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  • The relationship between regional inequalities in the provision of emergency health services and other health services
    Erkan Boğa
    Medicine.2023; 102(45): e35930.     CrossRef
Sex-specific Associations Between Serum Hemoglobin Levels and the Risk of Cause-specific Death in Korea Using the National Health Insurance Service-National Health Screening Cohort (NHIS HEALS)
Yoonsuk An, Jieun Jang, Sangjun Lee, Sungji Moon, Sue K. Park
J Prev Med Public Health. 2019;52(6):393-404.   Published online November 1, 2019
DOI: https://doi.org/10.3961/jpmph.19.146
  • 6,575 View
  • 142 Download
  • 4 Crossref
AbstractAbstract AbstractSummary PDFSupplementary Material
Objectives
The purpose of this study was to determine the associations between blood hemoglobin (Hgb) levels and the risk of death by specific causes.
Methods
Using the National Health Insurance Services-National Health Screening Cohort (n=487 643), we classified serum Hgb levels into 6 sex-specific groups. Cox regression analysis was used to analyze the associations between Hgb levels and the risk of cause-specific death.
Results
Hgb levels in male population showed a U-shaped, J-shaped, or inverse J-shaped association with the risk of death from ischemic heart disease, acute myocardial infarction, liver cancer, cirrhosis and chronic obstructive pulmonary disease (COPD) (all non-linear p<0.05; hazard ratio [HR]; 95% confidence interval [CI]) for the lowest and the highest Hgb levels for the risk of each cause of death in male population: HR, 1.14; 95% CI, 0.98 to 1.34; HR, 2.87; 95% CI, 1.48 to 5.57; HR, 1.16; 95% CI, 0.96 to 1.40; HR, 3.05; 95% CI, 1.44 to 6.48; HR, 1.36; 95% CI, 1.18 to 1.56; HR, 2.11; 95% CI, 1.05 to 4.26; HR, 3.64; 95% CI, 2.49 to 5.33; HR, 5.97; 95% CI, 1.44 to 24.82; HR, 1.62; 95% CI, 1.14 to 2.30; HR, 3.84; 95% CI, 1.22 to 12.13, respectively), while in female population, high Hgb levels were associated with a lower risk of death from hypertension and a higher risk of death from COPD (overall p<0.05; HR, 1.86; 95% CI, 1.29 to 2.67 for the lowest Hgb levels for hypertension; overall p<0.01, HR, 6.60; 95% CI, 2.37 to 18.14 for the highest Hgb levels for COPD). For the risk of lung cancer death by Hgb levels, a linear negative association was found in male population (overall p<0.01; the lowest Hgb levels, HR, 1.17; 95% CI, 1.05 to 1.33) but an inverse J-shaped association was found in female population (non-linear p=0.01; HR, 1.25; 95% CI, 0.96 to 1.63; HR, 2.58; 95% CI, 1.21 to 5.50).
Conclusions
Both low and high Hgb levels were associated with an increased risk of death from various causes, and some diseases showed different patterns according to sex.
Summary
Korean summary
본 연구는 2002년 및 2003년 한국 국민건강보험공단 건강검진 수검자 코호트(NHIS-HEALS)를 이용하여 총 487,643명을 대상으로 2013년 말일까지의 통계청 사망자료 추적관찰 기반 혈중 헤모글로빈과 전체, 심뇌혈관, 암, 기타 질환의 (만성 폐쇄성 폐질환, 간경화증) 사망위험 간 상관관계를 성별 층화하여 콕스회귀모형으로 분석하였음. 연구 결과 남성에서는 낮은 헤모글로빈 및 높은 헤모글로빈 농도와 허혈성 심질환, 심근경색, 간암, 간경화증, 그리고 만성 폐쇄성 폐질환 사망위험이 통계적으로 유의하게 증가함을 보인 반면, 여성에서는 낮은 헤모글로빈 농도에서는 고혈압, 높은 헤모글로빈 농도에서는 만성 폐쇄성 폐질환 사망위험도가 통계적으로 유의하게 증가하였음.결과적으로 낮은 그리고 높은 헤모글로빈 농도가 기존에 알려져 있던 심혈관질환의 사망위험에 영향을 주었을 뿐만 아니라 암 질환 및 기타 다른 질환들의 사망위험에도 영향을 주는 것으로 나타났기에 혈중 헤모글로빈 농도가 사망위험도의 잠재적인 예측인자로써의 가능성을 보였음. 주요 단어: 헤모글로빈, 빈혈, 사망, 성별, 한국인

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Citations to this article as recorded by  
  • Cross-phenotype association analysis of gastric cancer: in-silico functional annotation based on the disease–gene network
    Sangjun Lee, Han-Kwang Yang, Hyuk-Joon Lee, Do Joong Park, Seong-Ho Kong, Sue K. Park
    Gastric Cancer.2023; 26(4): 517.     CrossRef
  • 1H-NMR metabolomics-based surrogates to impute common clinical risk factors and endpoints
    D. Bizzarri, M.J.T. Reinders, M. Beekman, P.E. Slagboom, BBMRI-NL, E.B. van den Akker
    eBioMedicine.2022; 75: 103764.     CrossRef
  • Coronary Atherosclerotic Disease and Cancer: Risk Factors and Interrelation
    Jinjing Li, Jieqiong Zhao, Yonghong Lei, Yan Chen, Miaomiao Cheng, Xiaoqing Wei, Jing Liu, Pengyun Liu, Ruirui Chen, Xiaoqing Yin, Lei Shang, Xue Li
    Frontiers in Cardiovascular Medicine.2022;[Epub]     CrossRef
  • Binary cutpoint and the combined effect of systolic and diastolic blood pressure on cardiovascular disease mortality: A community-based cohort study
    Ju-Yeun Lee, Ji Hoon Hong, Sangjun Lee, Seokyung An, Aesun Shin, Sue K. Park, Tariq Jamal Siddiqi
    PLOS ONE.2022; 17(6): e0270510.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health