Coronavirus disease 2019 (COVID-19) is inflicting a brutal blow on humankind, and no corner of the world has been exempted from its wrath. This study analyzes the chief control measures and the distinctive features of the responses implemented by Korea and the United States to contain COVID-19 with the goal of extracting lessons that can be applied globally. Even though both nations reported their index cases on the same day, Korea succeeded in flattening the curve, with 10 752 cases as of April 28, 2020, whereas the outbreak skyrocketed in the United States, which had more than 1 million cases at the same time. The prudent and timely execution of control strategies enabled Korea to tame the spread of the virus, whereas the United States paid a major price for its delay, although it is too early to render a conclusive verdict. Information pertaining to the number of people infected with the virus and measures instituted by the government to control the spread of COVID-19 was retrieved from the United States Centers for Disease Control and Prevention and the Korea Centers for Disease Control and Prevention websites and press releases. Drawing lessons from both nations, it is evident that the resolution to the COVID-19 pandemic lies in the prudent usage of available resources, proactive strategic planning, public participation, transparency in information sharing, abiding by the regulations that are put into place, and how well the plan of action is implemented.
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The united states adopted DRG based prospective payment system (PPS) in order to control the inflation of health care costs. No study used statistical test while many studies reported the cost containing effect of the PPS. To study impacts of the PPS on the Medicare expenditure, this study set the following three hypotheses: (l) The PPS decelerated the increase in the hospital expenditure (part A), (2) the PPS accelerated the increase in the expenditure of outpatients and physicians (part B), (3) the increase in total expenditure was decelerated inspite of the spill over (substitution) effect because saving in the part A expenditure were greater than losses in the part B expenditure. The dependent variables are per capita hospital expenditure, per capita part B expenditure, and per capita total expenditure for the Medicare beneficiaries. An intervention analysis, which added intervention effect to the time series variation on the Box-Jenkins model, was used. The observations included 120 months from 1978 to 1987. The results are as follows: (l) The annual increase in the per capita part A expenditure was $5.11 after the implementation of DRG where as that before the PPS had been $11.1. The effect of the reduction ($5.99) was statistically significant (t=-3.9). (2) The spill over (substitution) effect existed because the annual increase in the per capita part B expenditure was accelerated by $l.73 (t=l.91) after the implementation of the PPS. (3) The increase in the total Medicine expenditure per capita was reduced by $4.26(t=-2.19) because the spill over effect was less than cost savings in the Part A expenditure.
The variation in resource utilization for hospitalized patients who had a group of similar disease -- a Korean Diagnosis Related Group (KDRG) -- among the same type of hospitals was studied to assess the utilization variation due to the practice pattern of hospitals. Information about inpatients who were beneficiaries of the medical insurance for teachers and government officials discharged from 20 large university teaching hospitals in Seoul during 1986 and information about the hospitals were analyzed to achieve the study objective. A total of 20,223 non-outlier patients in 100 most frequent KDRGs were included in the analysis. Case charges after the review and length of stay (LOS) were used as measures of resource utilization during a hospitalization. A substantial variation among hospitals was found in most KDRGs: the ratio of the maximum and the minimum among the mean case charges of hospitals was greater than 2 in 83 KDRGs; the difference between the maximum and the minimum among the mean case charges of hospitals was greater than 100,000 Won in 94 KDRGs; the ratio of the maximum and the minimum among the mean LOS of hospitals was greater than 2 in 82 KDRGs; the difference between the maximum and the minimum among the mean LOS of hospitals was greater than 3 days in 94 KDRGs. The practice pattern of hospitals explained more than 20% of charge variation in 49 KDRGs and more than 20% of LOS variation in 43 KDRGs. The study results indicated need for a new health policy initiative for cost containment and quality assurance.