Table 3.
Bacterial species from necrotizing fasciitis patients
| Isolated bacteria | No. of patients (%) | Dead patients | Survival patients | Mortality rate of pathogen (%) |
|---|---|---|---|---|
| Variable (%) | (N = 184) | |||
| Monomicrobial infection | 108 (58.7%) | 13 | 95 | 12 |
| Gram-positive aerobic pathogens | 48 (44.4%) | 3 | 45 | 6.25 |
| Staphylococcus aureus | 31 (64.6) | 2 | 29 | 6.5 |
| MRSA | 16 | 1 | 15 | 6.3 |
| MSSA | 15 | 1 | 14 | 6.7 |
| Viridans streptococci | 2 (4.2) | 0 | 2 | 0 |
| Coagulase negative Staphylococcus | 3 (6.2) | 0 | 3 | 0 |
| β-hemolytic streptococcus | 12 (25) | 1 | 11 | 8.3 |
| Group non-ABD | 4 | 1 | 3 | 25 |
| Group B | 4 | 0 | 4 | 0 |
| Group A | 2 | 0 | 2 | 0 |
| S. dysgalactiae | 1 | 0 | 1 | 0 |
| S. equisimilis | 1 | 0 | 1 | 0 |
| Gram-negative aerobic pathogens | 60 (55.6%) | 10 | 50 | 16.7 |
| Vibrio vulnificus | 40 (66.6) | 4 | 36 | 10 |
| Aeromonas spp | 11 (18.3) | 5 | 6 | 45.5 |
| Pseudomonas aeruginosa | 5 (8.3) | 1 | 4 | 20 |
| Enterobacter cloacae | 1 (1.7) | 0 | 1 | 0 |
| E. coli | 1 (1.7) | 0 | 1 | 0 |
| Klebsiella pneumoniae | 1 (1.7) | 0 | 1 | 0 |
| Shewanella putrefaciens | 1 (1.7) | 0 | 1 | 0 |
| Polymicrobial infection | 22 (12.0%) | 3 | 19 | 13.6 |
| No growth | 54 (29.3%) | 4 | 50 | 7.4 |
| Total | 184 | 20 | 164 | 10.9 |