Laboratory data
| Variable | All patients n=295 | NSTI n=232 | Non-NSTI n=63 | P value |
| Laboratory, median (IQR) | ||||
| White blood cell (k/mm3) | 18.1 (12.6–23.9) | 18.5 (13.5–24.4) | 14.9 (11.9–22.7) | 0.02 |
| Bands (%) | 17 (10–30) | 16.5 (9–30) | 17.5 (12–26) | 0.7 |
| Sodium (mmol/L) | 131 (127–135) | 130 (127–134) | 134 (131–136) | <0.0001 |
| Corrected sodium (mmol/L) | 134 (131–137) | 134 (131–137) | 134 (132–137) | 0.7 |
| Bicarbonate (mmol/dL) | 22 (20–25) | 22 (20–25) | 22 (20–26) | 0.6 |
| Creatinine (mg/dL) | 1.2 (0.9–1.8) | 1.2 (0.9–1.8) | 1.3 (0.9–2.0) | 0.6 |
| Glucose (mg/dL) | 183 (114–361) | 244 (131–393) | 114 (102–136) | <0.0001 |
| Lactate (mmol/L) | 1.7 (1.3–2.5) | 1.7 (1.3–2.6) | 1.8 (1.3–2.3) | 0.6 |
| Blood culture positive, n (%) | 54/272 (19.8) | 44/213 (20.7) | 10/59 (17.0) | 0.5 |
| Pathologic blood culture, n (%) | 30/47 (63.8) | 27/41 (65.8) | 3/6 (50.0) | 0.65 |
NSTI, necrotizing soft tissue infection.