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Table 2 Causative bacteria cultured from 165 necrotizing fasciitis cases

From: Necrotizing fasciitis in patients with diabetes mellitus: clinical characteristics and risk factors for mortality

NF type, Causative pathogen(s) All patients, n (%) DM, n (%) Non-DM, n (%) P value (DM vs non-DM)
Monomicrobial
 Group A Streptococcus 12 (7.3) 3 (3.6) 9 (11.1) 0.076
 Group B Streptococcus 4 (2.4) 2 (2.4) 2 (2.5) 1.0
Staphyloccocus aureus     
 MRSA 14 (8.5) 6 (7.1) 8 (9.9) 0.529
 MSSA 12 (7.3) 5 (6.0) 7 (8.6) 0.561
Aeromonas hydrophilia 7 (4.2) 2 (2.4) 5 (6.2) 0.271
Vibrio vulnificus 9 (5.5) 4 (4.8) 5 (6.2) 0.737
Escherichia coli 10 (6.1) 4 (4.8) 6 (7.4) 0.530
Klebsiella pneumoniae 17 (10.3) 13 (15.5) 4 (4.9) 0.038
Pseudomonas aeruginosa 4 (2.4) 0 (0) 4 (4.9) 0.056
Serratia marcescens 4 (2.4) 2 (2.4) 2 (2.5) 1.0
 Others 28 (17.0) 14 (16.7) 14 (17.3) 0.916
Polymicrobial
 Mixed infection 30 (18.2) 22 (26.2) 8 (9.9) 0.007
Culture negative
 No bacterial growth 14 (8.5) 7 (8.3) 7 (8.6) 0.943
Total 165 84 81  
  1. DM diabetes mellitus, MRSA methicillin-resistant Staphylococcus aureus, MSSA methicillin-sensitive Staphylococcus aureus