Table 5 Univariate analysis of factors possibly associated with mortality attributable directly to septic arthritis
From: Morbimortality in adult patients with septic arthritis: a three-year hospital-based study
Yes (N = 6) | No (N = 101) | p-value | Odds ratio [95 % CI] | Univariate analysis p-value | |
|---|---|---|---|---|---|
Age (years) | 82.5 [59–96] | 62.0 [16–95] | 0.017 | 1.09 [1.02–1.19] | 0.023 |
Gender (Female) | 3 (50 %) | 31 (31 %) | 0.380 | 2.26 [0.40–12.80] | 0.335 |
Knee involvement | 3 (50 %) | 22 (22 %) | 0.138 | 3.59 [0.63–20.61] | 0.133 |
Hip involvement | 0 (<1 %) | 12 (12 %) | 1 | not defined | 0.993 |
Multiple joint involvement | 2 (33 %) | 8 (8 %) | 0.097 | 5.81 [0.73–35.11] | 0.062 |
Cardiovascular disease | 3 (50 %) | 42 (42 %) | 0.694 | 1.40 [0.25–7.91] | 0.686 |
Skin involvement | 4 (67 %) | 12 (12 %) | 0.004 | 14.83 [2.62–115.71] | 0.003 |
Rheumatoid arthritis and related conditions | 2 (33 %) | 5 (5 %) | 0.049 | 9.60 [1.14–64.04] | 0.021 |
Previous cancer | 3 (50 %) | 19 (19 %) | 0.100 | 4.32 [0.75–24.95] | 0.087 |
Diabetes mellitus | 4 (67 %) | 22 (22 %) | 0.030 | 7.18 [1.31–54.31] | 0.028 |
Time to presentation (days) | 11 [4–24] | 7 [0–120] | 0.695 | 0.98 [0.92–1.02] | 0.507 |
Confusion on admission | 3 (50 %) | 10 (10 %) | 0.023 | 9.10 [1.51–55.39] | 0.012 |
Creatinine clearance (MDRD, ml/min) | 32 [23–66] | 81 [5–150] | 0.003 | 0.96 [0.92–0.99] | 0.009 |
C-reactive protein (mg/l) | 375 [88–640] | 120 [3–465] | 0.003 | 1.01 [1.006–1.02] | 0.002 |
Staphylococcus aureus | 4 (67 %) | 53 (58 %) | 1 | 1.47 [0.27–11] | 0.665 |
Joint surgery | 1 (17 %) | 57 (56 %) | 0.091 | 0.15 [0.01–1.002] | 0.093 |
Bacteraemia | 5 (83 %) | 25 (25 %) | 0.006 | 15.20 [2.31–298.70] | 0.015 |
Small joint involvement | 0 (<1 %) | 32 (32 %) | 0.175 | not defined | 0.993 |