Final model of mortality from forward stepwise logistic regression of predictors of survival at 90 days after hip fracture
| 1992 | 1997 | |||
|---|---|---|---|---|
| Patient characteristics | Odds ratio (95% CI) | p value | Odds ratio (95% CI) | p value |
| *1992 scale 0–38, 1997 scale 0–10. | ||||
| Increase (per year) in age | 1.07 (1.03 to 1.11) | 0.0005 | 1.06 (1.03 to 1.10) | 0.0003 |
| Increase (per unit) ADL* | 1.07 (1.04 to 1.10) | <0.0001 | 1.18 (1.10 to 1.27) | <0.0001 |
| Female | 1.00 | 0.001 | 1.00 | <0.0001 |
| Male | 2.88 (1.53 to 5.43) | 3.11 (1.81 to 5.38) | ||
| No cardiovascular disease | 1.00 | 0.0054 | Not in model | |
| Cardiovascular disease | 2.13 (1.25 to 3.64) | |||
| Not admitted to hospital 6 | 1.00 | 0.0016 | Not in model | |
| Admitted to hospital 6 | 0.14 (0.04 to 0.48) | |||
| Not mobilised early | Not in model | 1.00 | 0.0162 | |
| Mobilised within 48 h of surgery | 0.56 (0.35 to 0.90) | |||
| Preoperative Hb >10 g/dl | Not recorded | 1.00 | 0.0366 | |
| Preoperative Hb <10 g/dl | 2.05 (1.05 to 4.03) | |||