Table 1. Basic Demographics of Patients.
| Characteristic | Value |
|---|---|
| Age (yr) | 79.3 (60–104) |
| 60–69 | 84 (11.5) |
| 70–79 | 276 (37.7) |
| 80–89 | 314 (42.9) |
| ≥90 | 58 (7.9) |
| Sex | |
| Female | 530 (72.4) |
| Male | 202 (27.6) |
| Residence | |
| Home | 610 (83.3) |
| Nursing hospital | 50 (6.8) |
| Nursing home | 72 (9.8) |
| Preinjury ambulation ability | |
| Independent community ambulatory (Koval I) | 408 (55.7) |
| Community ambulatory with cane/walker (Koval II) | 137 (18.7) |
| Independent household ambulatory (Koval III) | 118 (16.1) |
| Household ambulatory with cane/walker (Koval IV) | 39 (5.3) |
| Activity confined to room (Koval V) | 12 (1.6) |
| Non-ambulator (Koval VI) | 18 (2.5) |
| Season | |
| Spring (March-May) | 175 (23.9) |
| Summer (June-August) | 162 (22.1) |
| Fall (September-November) | 193 (26.4) |
| Winter (December-February) | 202 (27.6) |
| Fracture type | |
| Extra-capsular fracture | 390 (53.3) |
| Intra-capsular fracture | 342 (46.7) |
Values are presented as mean (range) or number (%).