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Table 2 Demographic, clinical characteristics, and site of infections of patients according to methicillin resistance

From: Epidemiology and antimicrobial susceptibility of Staphylococcus aureus in children in a tertiary care pediatric hospital in Milan, Italy, 2017—2021

  MRSA (n = 76) MSSA (n = 179) P-value
Demographics
 Male 34 (45) 94 (53) 0.2
 Female 42 (55) 84 (47) 0.2
 Age (Years) 3.5 [0.7–7.7] 3.3 [0.9–11.2] 0.4
Clinical characteristics
 Predisposing factor 25 (33) 67 (37) 0.5
 Chronic disease 29 (38) 66 (37) 0.8
 Recent antibiotic use 29 (40) 42 (25) 0.01
 Hospital-acquired 20 (26) 23 (13) 0.02
 Health care-associated 17 (22) 42 (23) 0.8
 Maximal CRP (mg/dl) 3.6 [0.9–5.7] 1.1 [0.2–5.9] 0.045
 Hospitalization days 15 [8.5–21.5] 10 [6–16.2] 0.1
Site of infections
 SSTIs 43 (57) 104 (58) 0.7
 Bloodstream infections 13 (17) 22 (12) 0.3
 URTIs 12 (16) 36 (20) 0.4
 Acute conjunctivitis 3 (4) 7 (4) 1
 UTIs 4 (5) 2 (1) 0.07
 OAIs 0 (0) 5 (3) 0.3
 Others sites 1 (1) 3 (2) 1
  1. Data are presented as numbers (percentages) or median [interquartile range]
  2. MRSA Methicillin-resistant Staphylococcus aureus, MSSA Methicillin-susceptible Staphylococcus aureus, OAIs Osteoarticular infections, Sstis Soft tissue infections, URTI Upper respiratory tract infections, UTIs Urinary tract infections