project project cases PIM cases PIM Incidence rate (%)
Gender Male 218 129 59.17
Female 154 104 67.53
Age(years) 65~79 280 166 59.29
≥80 92 67 72.83
Inpatient days(days) 2~9 165 87 52.73
≥10 207 146 70.53
Number of diseases (Cases) 1~3 118 64 54.24
≥4 254 169 66.54