Table 4 Cross-tabulation for imputation of missing mortality status, by frailty class and gender.
Females | Males | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Frailty class | N(class) | N (mortality available) | N (died) | Unadj. mortality rate (%) | N(mortality missing) | Nmissing expected as dead | N(class) | N (mortality available) | N (died) | Unadj. mortality rate (%) | N(mortality missing) | Nmissing expected as dead |
Non-frail | 10,420 | 7,179 | 51 | 0.7 | 3,241 | 23 | 10,517 | 7,231 | 142 | 2.0 | 3,286 | 66 |
Pre-frail | 4,025 | 2,621 | 67 | 2.6 | 1,404 | 37 | 1,871 | 1,162 | 102 | 8.8 | 709 | 62 |
Frail | 1,133 | 682 | 63 | 9.2 | 451 | 41 | 395 | 230 | 52 | 22.6 | 165 | 37 |