Table 1.
Summary of direct and indirect cost variables and data sources in South Korea.
| Cost Variables | Data Sources (Institution) |
|---|---|
| Direct Cost | |
| Medical Cost | |
| Covered cost for inpatient, outpatient, or pharmaceutical (by sex and disease) | National Health Insurance Claims Data (NHIS, 2022) |
| Uncovered cost (by sex and disease) | Health Insurance Patients’ Medical Expenditure Survey (NHIS, 2020) |
| Transportation Cost | |
| Number of inpatient or outpatient visits (by sex and disease) | National Health Insurance Claims Data (NHIS, 2022) |
| Transportation expense | Korea Health Panel Survey (KIHASA, 2019) |
| Consumer Price Index | (Statistics Korea, 2020) |
| Caregiving Cost | |
| Days of hospitalization (by disease) | National Health Insurance Claims Data (NHIS, 2022) |
| Average caregiving cost per day | Medical Service Experience Survey (KIHASA, 2019) |
| Rate of caregiving utilization | Korea Health Panel Survey (KIHASA, 2019) |
| Consumer Price Index | (Statistics Korea) |
| Indirect Cost | |
| Productivity Loss due to Premature Deaths | |
| Number of deaths (by sex, age, and disease) | Causes of Death Statistics (Statistics Korea, 2020) |
| Survival rate (by age) | Life table (Statistics Korea, 2020) |
| Average wage (by age) | Local Area Labour Force Survey (Statistics Korea, 2020) |
| Value of life (by sex, and age) | Life table (Statistics Korea, 2020) |
| Productivity Loss due to Medical Utilization | |
| Days of hospitalization (by sex, age, and disease) | National Health Insurance Claims Data (NHIS, 2022) |
| Number of outpatient visits (by sex, age, and disease) | National Health Insurance Claims Data (NHIS, 2022) |
| Average wage (by sex, and age) | Local Area Labour Force Survey (Statistics Korea, 2020) |
Abbreviations: NHIS, National Health Insurance Service; KIHASA, Korea Institute for Health and Social Affairs.