Risk factors for inhospital mortality (univariate analysis)
| Inhospital mortality | ||
| n (%) | p Value | |
| Total | 2681 (3.3) | |
| Gender | ||
| Females | 1677 (2.6) | <0.001 |
| Males | 1004 (5.9) | |
| Age, years | ||
| 60–69 | 97 (1.8) | <0.001 |
| 70–79 | 488 (2.6) | |
| 80–89 | 1223 (3.3) | |
| ≥90 | 873 (4.5) | |
| Treatment | ||
| Surgical | 1372 (2.1) | <0.001 |
| Conservative | 1309 (9.4) | |
| Hospital size (number of acute beds) | ||
| ≤199 | 454 (4.0) | <0.001 |
| 200–399 | 1080 (3.3) | |
| 400–599 | 672 (2.9) | |
| ≥600 | 412 (3.4) | |
| Comorbidities | ||
| Malignancy | 669 (14.6) | <0.001 |
| Diabetes mellitus | 365 (3.4) | 0.694 |
| Cardiovascular disease | 198 (3.2) | 0.659 |
| Cerebrovascular disease | 215 (3.3) | 0.920 |
| Lung disease | 516 (10.0) | <0.001 |
| Renal failure | 305 (8.6) | <0.001 |
| Hepatic failure | 126 (19.5) | <0.001 |
| Number of comorbidities | ||
| 0 | 968 (1.9) | <0.001 |
| 1 | 1139 (5.1) | |
| ≥2 | 574 (8.1) | |