Multivariate analysis for death in 242 patients with septic arthritis
| Risk | Odds ratio | 95%CI | Significance |
|---|---|---|---|
| Confusion at presentation | 3.26 | 1.77, 5.99 | * |
| Arthroscopy | 0.44 | 0.17, 1.12 | |
| Female sex | 0.83 | 0.48, 1.45 | |
| Oral corticosteroids | 1.26 | 0.57, 2.78 | |
| Closed drainage | 0.85 | 0.37, 1.94 | |
| Delay > 3 days | 1.20 | 0.92, 1.56 | |
| Diabetes mellitus | 0.29 | 0.08, 1.03 | |
| Open drainage | 0.16 | 0.08, 0.31 | * |
| Prosthesis | 0.93 | 0.36, 2.36 | |
| Age ⩾65 | 5.05 | 2.84, 8.99 | * |
| Knee | 1.51 | 0.80, 2.83 | |
| Shoulder | 0.26 | 0.09, 0.78 | * |
| Elbow | 2.01 | 1.22, 3.31 | * |
| Other | 0.14 | 0.05, 0.37 | |
| Multiple | 2.37 | 1.30, 4.35 | * |
| S aureus | 0.60 | 0.01, 34.53 | |
| Streptococci | 1.07 | 0.02, 62.40 | |
| Other gram positive | 5.79 | 0.11, 318.68 | |
| Gram negative | 13.73 | 0.23, 834.06 | |
| H influenzae | 1.01 | 0.02, 59.29 |