Table 1.
Characteristics of individuals in the development and validation datasets. Decedents at 3 months prior to death and their matched survivors at the same time point.
| Development sample | Validation sample | |||
|---|---|---|---|---|
| Decedents | Survivors | Decedents | Survivors | |
| Age: years, mean (SD) | 85.1 (6.0) | 85.7 (6.0) | 85.1 (6.0) | 85.6 (6.0) |
| Gender | ||||
| Male, n (%) | 4,116 (44.7) | 4,116 (44.7) | 1,723 (43.7) | 1,723 (43.7) |
| Female, n (%) | 5,088 (55.3) | 5,088 (55.3) | 2,222 (56.3) | 2,222 (56.3) |
| Overall eFI: mean (SD) | 0.29 (0.11) | 0.25 (0.11) | 0.29 (0.11) | 0.24 (0.11) |
| Male eFI: mean (SD) | 0.28 (0.11) | 0.23 (0.11) | 0.28 (0.11) | 0.23 (0.11) |
| Female eFI: mean (SD) | 0.30 (0.11) | 0.26 (0.12) | 0.30 (0.11) | 0.26 (0.11) |
| Frailty category | ||||
| Not frail, n (%) | 563 (6.1) | 1,245 (13.5) | 262 (6.6) | 545 (13.8) |
| Mild, n, (%) | 2,517 (27.3) | 3,386 (36.8) | 1,043 (26.4) | 1,478 (37.5) |
| Moderate, n (%) | 3,355 (36.5) | 2,856 (31.0) | 1,461 (37.0) | 1,216 (30.8) |
| Severe, n (%) | 2,769 (30.1) | 1,717 (18.7) | 1,179 (29.9) | 706 (17.9) |