Table 3

Microbiology data

Wound culture, n (%)All patientsNSTINon-NSTIP value
n=272n=222n=50
Polymicrobial118 (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 other14 (5.2)10 (4.5)4 (8.0)0.3
MRSA31 (11.4)27 (12.2)4 (8.0)0.6
OSSA58 (21.3)54 (24.3)4 (8.0)0.01
STACN49 (18.0)42 (18.9)7 (14.0)0.5
Diphtheroids15 (5.5)15 (6.8)0 (0)0.1
Enterococcus 36 (13.2)36 (16.2)0 (0)0.0008
GNR94 (34.6)88 (39.6)6 (12.0)0.0001
Candida 7 (2.6)7 (3.2)0 (0)0.4
Other41 (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.