Radiological characteristics of patients with polymicrobial or monomicrobial NSTI patient’s cohort
| Radiological/pathological characteristic | Polymicrobial (n=27) | Monomicrobial (n=54) | P value |
| CT features (all patients) | |||
| Free air, n (%) | 20 (80.0) | 20 (48.8) | 0.02 |
| Edema, n (%) | 14 (56.0) | 15 (36.6) | 0.13 |
| Collection, n (%) | 10 (40.0) | 9 (22.0) | 0.16 |
| Fat infiltrate, n (%) | 20 (80.0) | 16 (39.0) | 0.002 |
| Liquefaction, n (%) | 2 (8.0) | 10 (24.4) | 0.09 |
| Pathological features | |||
| Extensive tissue destruction, n (%) | 10 (100.0) | 23 (47.9) | 0.003 |
| Thrombosis, n (%) | 0 (0.0) | 3 (6.3) | 0.39 |
| Abundant bacterial spreading, n (%) | 1 (9.1) | 5 (10.2) | 0.91 |
| Infiltration of inflammatory cells, n (%) | 10 (90.9) | 22 (44.9) | 0.01 |
NSTI, necrotizing soft tissue infection.