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Table 2 Colonization with Staphylococcus aureus and beta-hemolytic streptococci and distribution of MRSA SCCmec types by socioeconomic status for pediatric patients examined at private and public clinics – Niterói, RJ, Brazil, 2014

From: Differences in gram-positive bacterial colonization and antimicrobial resistance among children in a high income inequality setting

Characteristic High-income patient Middle/low-income patient Slum resident patient P value
n % N % N %
S. aureus colonization 94 32 51 41 76 42 0.09
MSSA colonization 77 27 33 26 62 34 0.19
MRSA colonization 17 6 18 14 14 8 0.01
MRSA SCCmec type        0.31
 Type I 0 0 1 6 0 0  
 Type II 0 0 1 6 0 0  
 Type III 1 6 1 6 1 7  
 Type IV 13 77 15 83 13 93  
 Type V 3 18 0 0 0 0  
Presence of PVL gene in MRSA isolate 4 19 2 10 4 21 0.57
Streptococcal colonization 8 3 7 6 9 5 0.30
Streptococcal Lancefield group        0.001
 Group A 8 100 1 14 6 67  
 Group B 0 0 5 71 0 0  
 Group C or G 0 0 1 14 3 33  
  1. MSSA methicillin-susceptible Staphylococcus aureus, MRSA methicillin-resistant Staphylococcus aureus, PVL Panton-Valentine leucocidin