Table 1.
Characteristics of patients.
| Variable | Primary objective (n = 11,265) |
|---|---|
| Age (years) at index | |
| Mean (SD) | 80.6 (8.5) |
| Sex, n (%) | |
| Males | 3473 (31) |
| Females | 7792 (69) |
| Length of follow-up (days) | |
| Mean (SD) | 774 (477) |
| Time from fracture to surgery (days) | |
| Mean (SD) | 1.1 (1.3) |
| Elixhauser comorbidity index | |
| Mean (SD) | 1.1 (1.2) |
| Change in walking ability from hip fracture to 4 months post-fracture, n (%) | |
| Good recovery | 3382 (30) |
| Moderate recovery | 3994 (35) |
| Poor recovery | 3889 (35) |
| Pre-fracture independent walking, n (%) | |
| Walked alone outdoors | 8693 (77) |
| Walked only with company outdoors | 751 (7) |
| Walked alone but only indoors | 1423 (13) |
| Walked only with company indoors | 247 (2) |
| Could not walk | 151 (1) |
| Pre-fracture use of walking aids, n (%) | |
| Walked without aids | 6389 (57) |
| One aid (cane/crutch) | 768 (7) |
| Two aids (canes/crutches) | 250 (2) |
| Rolling walker/walking frame | 3654 (32) |
| Wheel chair/bed bound | 204 (2) |
| Estimated LBM, n (%) | |
| <45 | 4969 (44.1) |
| 45–49 | 2498 (22.2) |
| 50–54 | 1743 (15.5) |
| 55–59 | 1246 (11.1) |
| 60+ | 809 (7.2) |
| Dementia, n (%) | 572 (5) |
| Cancer, n (%) | 2081 (18) |