| All isolates, No. (%) of observations | MRSA, No. (%) | Non-MRSA, No. (%) | Unadjusted OR (95% CI) | Adjusted OR (95% CI)* |
---|---|---|---|---|---|
Temperature, ≥37.8°C | 30/511 (6) | 7/112 (6) | 23/399 (6) | 1.09 (0.5-2.6) | - |
Erythema ≥10 cm | 93/500 (19) | 38/110 (35) | 55/390 (14) | 3.2 (2.0 - 5.2) | 2.59 (1.5-4.4), P < 0.001 |
Location | (N = 529) | (N = 115) | (N = 414) | Â | Â |
   Trunk†| 180 (34) | 54 (47) | 126 (30) | 2.01 (1.3-3.1) | - |
   Head and neck | 70 (13) | 12 (10) | 58 (14) | 0.97 (0.5-1.9) | - |
   Extremities | 279 (53) | 49 (43) | 230 (56) | 1 | - |
Diagnosis group | (N = 529) | (N = 115) | (N = 414) | Â | Â |
   Abscess | 185 (35) | 66 (57) | 119 (29) | 3.33 (2.2-5.1) | 3.19 (2.1-5.0), P < 0.001 |
   Cellulitis | 183 (35) | 27 (23) | 156 (38) | 1‡ |  |
   Other SSTIs | 161 (30) | 22 (19) | 139 (34) |  |  |