Table 4.
Trends of PIM use in elderly Koreans by sex and age.
| Gender | Age group | Total period of research (2015~2021) | Ratio of PIMs claims (A/B) | |||||
|---|---|---|---|---|---|---|---|---|
| Number of patients* | Number of PIMs claims* (A) | Total Number of claims* (B) | ||||||
| N | % | N | % | N | % | % | ||
| Male | 65–69 | 2256,414 | 36.4 | 36,020,392 | 27.4 | 133,163,183 | 30.6 | 27.0 |
| 70–74 | 1714,330 | 27.6 | 34,419,005 | 26.2 | 117,155,209 | 26.9 | 29.4 | |
| 75–79 | 1290,179 | 20.8 | 31,416,701 | 23.9 | 98,875,387 | 22.7 | 31.8 | |
| ≥80 | 944,480 | 15.2 | 29,547,609 | 22.5 | 86,165,162 | 19.8 | 34.3 | |
| Sub total | 6205,403 | 100.0 | 131,403,707 | 100.0 | 435,358,941 | 100.0 | 100.0 | |
| Female | 65–69 | 2556,729 | 31.7 | 41,937,247 | 24.4 | 167,723,470 | 27.0 | 25.0 |
| 70–74 | 2063,915 | 25.6 | 40,675,920 | 23.7 | 154,298,971 | 24.8 | 26.4 | |
| 75–79 | 1758,390 | 21.8 | 40,978,113 | 23.8 | 144,090,174 | 23.2 | 28.4 | |
| ≥80 | 1694,649 | 21.0 | 48,308,892 | 28.1 | 155,970,725 | 25.1 | 31.0 | |
| Sub total | 8073,683 | 100.0 | 171,900,172 | 100.0 | 622,083,340 | 100.0 | 100.0 | |
| Total | 14,279,086 | - | 303,303,879 | - | 1057,442,281 | - | 28.7 | |
PIMs = potentially inappropriate medications.
*
indicates that duplicated cases were removed.