Table 1.
Cohort characteristics
| Below median days alive at home* (n=31 713) | Above median days alive at home* (n=32 065) | Absolute standardised difference | |
| Age, mean (SD) | 85 (9) | 78 (11) | 0.68 |
| Female, n (%) | 21 815 (68.8) | 22 409 (69.9) | 0.02 |
| Rural, n (%) | 3824 (12.1) | 4533 (14.1) | 0.06 |
| Neighbourhood income quintile, n (%) | |||
| Lowest | 8151 (25.7) | 7436 (23.2) | 0.06 |
| 2 | 6917 (21.8) | 6922 (21.6) | 0.01 |
| 3 | 6046 (19.1) | 6163 (19.2) | 0.00 |
| 4 | 5369 (16.9) | 5671 (17.7) | 0.02 |
| Highest | 5103 (16.1) | 5757 (18.0) | 0.05 |
| Frailty index, mean (SD) | 0.26 (0.08) | 0.21 (0.07) | 0.72 |
| Number of comorbidities, median (IQR) | 2.00 (1.00–3.00) | 1.00 (0.00–2.00) | 0.44 |
| Dementia, n (%) | 8487 (26.8) | 2398 (7.5) | 0.53 |
| Acute hospitalisation in previous year, n (%) | 9702 (30.6) | 6338 (19.8) | 0.25 |
| Prefracture long-term care residence, n (%) | 9567 (30.2) | 658 (2.1) | 0.83 |
| Surgical fixation, n (%) | 28 336 (89.4) | 28 907 (90.2) | 0.03 |
| In-hospital complication, n (%) | 10 773 (34.0) | 4932 (15.4) | 0.44 |
| ICU admission, n (%) | 7847 (24.7) | 203 (0.6) | 0.78 |
| Hospital annual hip fracture volume, mean (SD) | 190 (91) | 190 (93) | 0.00 |
Median value was 43 days.
*All values represent the per cent of individuals above or below the median days alive at home value with the described characteristics, unless otherwise stated.
ICU, intensive care unit.