Table 2 Mortality in the training and validation cohorts
| Â | Training cohort | Validation cohort | ||
|---|---|---|---|---|
Variables | Suvival | Death | Suvival | Death |
|  | (n = 2174) | (n = 517) | (n = 1440) | (n = 297) |
Sex, n (%) | ||||
 Male | 1007 (46.3) | 304 (58.8) | 682 (47.4) | 166 (55.9) |
 Female | 1167 (53.7) | 213 (41.2) | 758 (52.6) | 131 (44.1) |
Age, n (%) | ||||
 65~ | 650 (29.9) | 63 (12.2) | 415 (28.8) | 41 (13.8) |
 70~ | 598 (27.5) | 98 (19.0) | 426 (29.6) | 52 (17.5) |
 75~ | 394 (18.1) | 103 (19.9) | 293 (20.3) | 57 (19.2) |
 80~ | 532 (24.5) | 253 (48.9) | 306 (21.2) | 147 (49.5) |