Wound culture, n (%) | All patients | NSTI | Non-NSTI | P value |
n=272 | n=222 | n=50 | ||
Polymicrobial | 118 (43.4) | 112 (50.5) | 6 (12.0) | <0.0001 |
Group A Streptococcus | 31 (11.4) | 23 (10.4) | 8 (16.0) | 0.3 |
Group B Streptococcus | 26 (9.6) | 23 (10.4) | 3 (6.0) | 0.4 |
Streptococcus viridans | 42 (15.4) | 40 (18.0) | 2 (4.0) | 0.01 |
Streptococcus other | 14 (5.2) | 10 (4.5) | 4 (8.0) | 0.3 |
MRSA | 31 (11.4) | 27 (12.2) | 4 (8.0) | 0.6 |
OSSA | 58 (21.3) | 54 (24.3) | 4 (8.0) | 0.01 |
STACN | 49 (18.0) | 42 (18.9) | 7 (14.0) | 0.5 |
Diphtheroids | 15 (5.5) | 15 (6.8) | 0 (0) | 0.1 |
Enterococcus | 36 (13.2) | 36 (16.2) | 0 (0) | 0.0008 |
GNR | 94 (34.6) | 88 (39.6) | 6 (12.0) | 0.0001 |
Candida | 7 (2.6) | 7 (3.2) | 0 (0) | 0.4 |
Other | 41 (15.1) | 39 (17.6) | 2 (4.0) | 0.01 |
GNR, gram negative rods; MRSA, methicillin-resistant Staphylococcus aureus; NSTI, necrotizing soft tissue infection; OSSA, oxacillin sensitive Staphylococcus aureus; STACN, Staphylococcus coagulase negative.