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Table 4 Microbiological diagnosis in non-purulent (n = 131) and purulent cellulitis (n = 80) cases

From: Clinical and microbiological characteristics of purulent and non-purulent cellulitis in hospitalized Taiwanese adults in the era of community-associated methicillin-resistant Staphylococcus aureus

  All (n = 211) Non-purulent group (n = 131) Purulent group (n = 80) P-value
β-Hemolytic streptococci (%) 96 (45.5) 92 (70.2) 4 (5.0) <0.001
Staphylococcus aureusa (%) 64 (30.3) 16 (12.2) 48 (60.0) <0.001
MRSAb (%) 32 (15.2) 8 (6.1) 24 (30.0) <0.001
CA-MRSAc (%) 22 (10.4) 5 (3.8) 17 (21.3) 0.681
GNB (%) 23 (10.9) 13 (9.9) 10 (12.5) 0.441
Polymicrobial pathogens (%) 21 (10.0) 6 (4.6) 15 (18.8) 0.001
  1. Data are number (%) of patients, unless otherwise indicated
  2. CA-MRSA community-associated methicillin-resistant Staphylococcus aureus, GNB Gram-negative bacilli
  3. aIncluding methicillin-susceptible S. aureus and methicillin-resistant S. aureus
  4. bIncluding CA-MRSA and non-CA-MRSA
  5. cDefined by epidemiological criteria [1719], not by genotypic criteria