Univariate analysis of risk factors for death in 242 patients with septic arthritis
| Risk | Number | Mortality (total=29) | Mortality % (12%) | Odds | 95% CI | Significant |
|---|---|---|---|---|---|---|
| Confusion | 23 | 8 | 35 | 5.03 | 1.91, 13.25 | * |
| Arthroscopy | 32 | 2 | 6 | 0.45 | 0.10, 2.00 | |
| Female sex | 108 | 15 | 14 | 1.38 | 0.64, 3.01 | |
| Oral corticosteroids | 24 | 4 | 17 | 1.54 | 0.49, 4.88 | |
| Close | 155 | 24 | 15 | 3.00 | 1.10, 8.19 | * |
| Delay > 3 days | 115 | 16 | 14 | 1.42 | 0.65, 3.09 | |
| Diabetes mellitus | 15 | 1 | 7 | 0.51 | 0.06, 4.01 | |
| Open drainage | 124 | 4 | 3 | 0.12 | 0.04, 0.37 | * |
| Prosthesis | 25 | 3 | 12 | 1.00 | 0.28, 3.58 | |
| Age (y) | ||||||
| ⩽64 | 152 | 7 | 5 | |||
| ⩾65 | 68 | 22 | 32 | 6.7 | 2.56, 18.23 | * |
| Joint (hip) | 39 | 6 | 15 | |||
| Knee | 74 | 12 | 16 | 1.06 | 0.33, 3.54 | |
| Shoulder | 17 | 4 | 24 | 1.69 | 0.33, 8.49 | |
| Elbow | 22 | 1 | 5 | 0.26 | 0.01, 2.51 | |
| Other | 57 | 1 | 2 | 0.10 | 0.00, 0.89 | * |
| Multiple | 33 | 5 | 15 | 0.98 | 0.23, 4.18 | |
| Organism (nil) | 43 | 2 | 5 | |||
| S aureus | 111 | 20 | 18 | 4.91 | 0.95, 29.30 | |
| Streptococci | 36 | 3 | 8 | 1.86 | 0.23, 17.14 | |
| Other gram positive | 8 | 2 | 25 | 6.83 | 0.54, 90.40 | |
| Gram negative | 29 | 2 | 7 | 1.52 | 0.14, 16.35 | |
| H influenzae | 15 | 0 | 0 | 0.00 | 0.00, 12.54 |