Simple Cox regressiona | Multiple Cox regressionb | |||||||
---|---|---|---|---|---|---|---|---|
Covariate | No. of patients | HR | 95% CI | p-value | HR | 95% CI | p-value | |
Age | < 50 years | 364 | Reference | Reference | ||||
> 50 years | 275 | 1.7 | 1.4-2.0 | 0.001 | 1.5 | 1.3-1.9 | 0.001 | |
Sex | Male | 389 | Reference | Reference | ||||
Female | 250 | 1.3 | 1.1-1.6 | 0.002 | 1.1 | 0.9-1.4 | 0.2 | |
Type of fracture | Closed | 499 | Reference | Reference | ||||
Open | 103 | 0.9 | 0.7-1.2 | 0.4 | 0.9 | 0.7-1.1 | 0.3 | |
Unspecified | 37 | 0.6 | 0.4-0.8 | 0.004 | 0.6 | 0.4-0.9 | 0.022 | |
Treatment | Surgical | 520 | Reference | Reference | ||||
Non-surgical | 119 | 1.4 | 1.1-1.8 | 0.004 | 1.1 | 0.9-1.4 | 0.6 | |
Mechanism of injury | Fall on the same level | 262 | Reference | Reference | ||||
Fall from height | 66 | 0.9 | 0.6-1.2 | 0.4 | 0.8 | 0.6-1.1 | 0.2 | |
Fall unspecified | 53 | 0.9 | 0.6-1.2 | 0.5 | 0.9 | 0.6-1.2 | 0.5 | |
Transport accident | 133 | 1.1 | 0.9-1.4 | 0.4 | 0.9 | 0.7-1.2 | 0.5 | |
Miscellaneous | 115 | 1.2 | 1.0-1.6 | 0.1 | 1.1 | 0.8-1.4 | 0.6 | |
Missing | 10 | 1.0 | 0.6-2.0 | 0.9 | 1.0 | 0.5-1.8 | 0.9 |