Table 1

General characteristics of patients with polymicrobial or monomicrobial NSTI

CharacteristicPolymicrobial (n=27)Monomicrobial (n=54)P value
Male gender, n (%)10 (37.0)27 (50.0)0.34
Age (year), mean±SD59.4±20.062.1±15.70.50
BMI >25, n (%)19 (40.4)10 (18.5)<0.001
Admitted from home, n (%)13 (65.0)42 (77.8)0.36
Weighted Charlson Comorbidity Index, median (IQR)4.0 (1.7–7.0)3.0 (1.0–5.0)0.23
qSOFA score, mean±SD1.56±0.91.67±0.90.64
Etiology
 Postoperative patients, n (%)4 (16.7)18 (47.4)0.02
 Trauma, n (%)3 (12.5)6 (15.8)
 Soft tissue infection, n (%)17 (70.8)14 (36.8)
 Previous intravenous catheter, n (%)7 (25.9)3 (5.6)0.01
 Any port of entry*, n (%)20 (76.9)29 (53.7)0.05
 Immunosuppression, n (%)3 (11.1)17 (31.5)0.06
  • *Port of entry—previous wound, ulcer, puncture, postoperative, trauma, intravenous catheter.

  • BMI, body mass index; NSTI, necrotizing soft tissue infection; qSOFA, quick sequential organ failure assessment.