Table 1.
Factors affecting mortality rate and time to death.
| Factors | Sample size | Deaths | Mortality rate | Mean Days to death (+SD) |
|---|---|---|---|---|
| ASA score | ||||
| I | 34 | 0 | 0 | |
| II | 268 | 8 | 3% | |
| III | 394 | 100 | 25.4% | |
| IV | a48 | 36 | 75% | |
| Time to surgery | ||||
| 0-12 h | 69 | 5 | 7.3% | 349.45 (7.5) |
| 12-24 h | 154 | 14 | 9.1% | 339.4 (6.8) |
| 24-48 h | 143 | 17 | 91.9% | 333.7 (7.5) |
| >=48 h | 315 | 67 | 313.422 | 313.4 (6.4) |
| Readmission (days from discharge) | ||||
| 0-30 | 45 | 25 | 55.6% | 185.2 (24.8) |
| 31-365 | 104 | 29 | 27.9% | 296.9 (11.55) |
| Total readmissions | 149 | 54 | 36.2% | 263.2 (11.8) |
| No readmission | 577 | 72 | 12.5% | |
| Age | ||||
| <81 | 264 | 29 | 10.98% | 334.1 (5.9) |
| >=81 | 480 | 115 | 23.96% | 297.6 (5.9) |
| Sex | ||||
| Male | 243 | 56 | 23.05% | 298.3 (8.3) |
| Female | 501 | 88 | 17.56% | 316.499 (5) |
| Treatment | ||||
| Surgical | 681 | 103 | 15.12% | 323.7 (4) |
| Conservative | 63 | 41 | 65.08% | 173.7 (19.9) |
| Type of fracture | ||||
| Intracapsular | 242 | 50 | 20.66% | 305.9 (7.8) |
| Intertrochanteric | 447 | 88 | 19.69% | 309.7 (5.7) |
| Subtrochanteric | 55 | 6 | 10.91% | 337.65 (11.9) |
| Hospital | ||||
| University | 597 | 109 | 18.26% | 314.7 (4.7) |
| Regional | 147 | 35 | 23.81% | 293.8 (11) |
| Total | 744 | 144 | 310.6 (4.4) | |