Outcomes of patients with polymicrobial or monomicrobial NSTI
| Outcome variable | Monomicrobial (n=54) | Polymicrobial (n=27) | P value |
| 90-day mortality, n (%) | 26 (48.1) | 9 (33.3) | 0.24 |
| In-hospital mortality, n (%) | 22 (40.7) | 7 (25.9) | 0.22 |
| Length of ICU stay (days), median (IQR) | 4.5 (0.0–15.7) | 0.0 (0.0–4.5) | 0.81 |
| Length of hospitalization (days), median (IQR) | 23.5 (12.7–42.0) | 32.8 (12.0–45.0) | 0.04 |
| Mechanical ventilation, n (%) | 31 (62.0) | 11 (50.0) | 0.43 |
| Vasopressor use, n (%) | 27 (65.9) | 7 (35.0) | 0.03 |
| Amputation at 90 days, n (%) | 5 (9.3) | 5 (18.7) | 0.23 |
| Further surgery at 90 days (after debridement at diagnosis),* median (IQR) | 2 (0–10) | 3 (0–6) | 0.056 |
*Including amputation and debridement of the involved site.
ICU, intensive care unit; NSTI, necrotizing soft tissue infection.