Table 4 Influence of baseline characteristics on mortality after hip fracture.
| Baseline characteristics | Hazards ratio | Hazards ratio* | Significance† |
|---|---|---|---|
| (95% CI) | (95% CI) | ||
| Age (for each year increase in age) | 1.1 (1.0 to 1.1) | – | 0.000 |
| Age (>70 years) | 5.8 (1.8 to 18.4) | – | 0.003 |
| Body mass index (per kg/m2) | 0.98 (0.89 to 1.1) | 1.0 (0.9 to 1.1) | NS |
| Marital status: single v married | 1.3 (0.8 to 2.1) | 1.2 (0.7 to 1.9) | NS |
| Presence of one or more comorbidity | 4.2 (1.5 to 11.7)‡ | 2.8 (1.0 to 7.7) | 0.05 |
| Fracture type: cervical v trochanteric | 1.3 (0.8 to 2.2) | 1.1 (0.7 to 1.9) | NS |
| Mental score: <8.0 v ⩾8 | 1.8 (1.0 to 3.2)§ | 1.5 (0.9 to 2.6) | NS |
| Residence: residential v own home | 2.1 (1.1 to 4.1)¶ | 1.7 (0.8 to 3.3) | NS |
| Residence: nursing v own home | 2.0 (1.1 to 3.9) | 2.1 (1.1 to 4.0) | 0.03 |
| Physical component score (per unit change) | 0.95 (0.93 to 0.98) | 0.95 (0.93 to 0.98) | 0.002 |
| Functional capacity (per unit change in HAQ) | 1.5 (1.1 to 2.1) | 1.6 (1.2 to 2.1) | 0.004 |
| Mental component score (per unit change) | 1.0 (0.98 to 1.0) | 1.0 (0.98 to 1.0) | NS |
*After adjusting for age; †both unadjusted and after adjusting for age; ‡p<0.005; §p<0.04; ¶p<0.03.