Table 3.
Microorgansims isolated in patients with necrotizing fasciitis.
| Microorganisms | Total (n = 115) | Survival (n = 91) | Nonsurvival (n = 24) | Mortality rate of pathogen (%) |
|---|---|---|---|---|
| Gram positive | 60 (52.2%) | 49 (53.8%) | 11 (45.8%) | 18.3% |
| MRSA | 13 (11.3%) | 10 (11%) | 3 (12.5%) | 23% |
| MSSA | 12 (10.4%) | 11 (12.1%) | 1 (4.2%) | 8.3% |
| CoNS | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Group A Streptococcus | 14 (12.1%) | 9 (9.9%) | 5 (20.8%) | 35.7% |
| Group B Streptococcus | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Group D Streptococcus | 2 (1.7%) | 1 (1.1%) | 1 (4.2%) | 50% |
| Non-group ABD Streptococcus | 6 (5.2%) | 6 (6.6%) | 0 (0%) | 0% |
| α-Hemolysis Streptococcus | 4 (3.5%) | 3 (3.3%) | 1 (4.2%) | 25% |
| Enterococcus | 7 (6.1%) | 7 (7.7%) | 0 (0%) | 0% |
| Gram negative | 57 (49.6%) | 42 (46.2%) | 12 (50%) | 21.1% |
| Escherichia coli | 11 (9.6%) | 10 (11%) | 1 (4.2%) | 9.1% |
| Klebsiella pneumonia | 7 (6.1%) | 5 (5.5%) | 2 (8.3%) | 28.6% |
| Enterobacter species | 4 (3.5%) | 4 (4.4%) | 0 (0%) | 0% |
| Serratia marcescens | 3 (2.6%) | 3 (3.3%) | 0 (0%) | 0% |
| Citrobacter freundii | 3 (2.6%) | 2 (2.2%) | 1 (4.2%) | 33.3% |
| Proteus mirabilis | 7 (6.1%) | 7 (7.7%) | 0 (0%) | 0% |
| Aeromonas hydrophila | 7 (6.1%) | 2 (2.2%) | 5 (20.8%) | 71.4% |
| Vibrio vulnificus | 2 (1.7%) | 0 (0%) | 2 (8.3%) | 100% |
| Morganella | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Pseudomonas aeroginosa | 5 (4.3%) | 4 (4.4%) | 1 (4.2%) | 20% |
| Salmonella group B | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Shewanella putrefaciens | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Acinetobacter species | 2 (1.7%) | 2 (2.2%) | 0 (0%) | 0% |
| Anaerobes | 3 (2.6%) | 2 (2.2%) | 1 (4.2%) | 33.3% |
| Provetella dentiola | 1 (0.9%) | 1 (1.1%) | 0 (0%) | 0% |
| Bacteroides fragilis | 2 (1.7%) | 1 (1.1%) | 1 (4.2%) | 50% |
MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-sensitive Staphylococcus aureus; CoNS, coagulase negative Staphylococcus.