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Table 3 Differences in clinical characteristics between MRSA- and MSSA-associated disease groups according to univariate analysis

From: Antibiotic susceptibility and genomic variations in Staphylococcus aureus associated with Skin and Soft Tissue Infection (SSTI) disease groups

Clinical characteristics Deep-seated infection Cutaneous infection Abscess Mastitis SSTI-related bacteremia Catheter-related exit-site infection P-value
MRSA (n = 34) MSSA (n = 18) MRSA (n = 54) MSSA (n = 51) MRSA (n = 62) MSSA (n = 49) MRSA (n = 11) MSSA (n = 5) MRSA (n = 23) MSSA (n = 12) MRSA (n = 17) MSSA (n = 8) MRSA MSSA
Mean age (years) 58.4 53.7 50.6 48.0 39.7 39.5 30.7 27.0 68.3 59.9 60.8 52.9 <0.001 <0.05
Mean comorbidities 2.2 2.3 1.9 1.5 0.9 0.8 0.1 0 3.4 3.0 3.5 3.1 <0.001 <0.001
Mean operative procedure 1.2 1.6 0 0.02 1.2 1.2 0.1 0.2 0.5 0.6 0.1 0.9 <0.001 <0.01
Reconstructive surgery (%) 4 (11.8) 4 (22.2) 0 (0) 0 (0) 1 (1.6) 2 (4.1) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) <0.01 <0.05
Amputation (%) 7 (20.6)* 0 (0) 0 (0) 0 (0) 2 (3.2) 0 (0) 0 (0) 0 (0) 3 (13.4) 0 (0) 0 (0) 0 (0) <0.001 NA
Mean hospitalization days 16.9 13.2 9.1 6.9 9.6 7.7 0.5 4.0 19.2 18.3 13.3 8.4 <0.01 <0.05
Mortality (%) 0 (0) 0 (0) 3 (5.6) 1 (2.0) 0 (0) 1 (2.0) 0 (0) 0 (0) 1 (4.3) 0 (0) 0 (0) 0 (0) 0.248 0.974
  1. *Indicates a significant difference between the MRSA and MSSA groups; P < 0.05