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Table 2 Prevalence of VRSA in S. aureus and VRSA in MRSA based on year published

From: Systematic review and meta-analysis of the epidemiology of vancomycin-resistance Staphylococcus aureus isolates

Subject Sub group No. studies No. strains Proportion (95% CI) %Weight P I2 P sig
2015–2020 VRSA 31 5798 0.07 (0.04, 0.11) 54.71 0 0.9579 0
VRSA from MRSA 16 1608 0.06 (0.03, 0.10) 61.54 0 0.8246 0
2006–2014 VRSA 28 6692 0.06 (0.03, 0.09) 39.35 0 0.9620 0
VRSA from MRSA 9 4408 0.05 (0.00, 0.14) 28.22 0 0.9771 0.01
 < 2006 VRSA 4 466 0.02 (0, 0.04) 5.93 0.17 0.3949 0.01
VRSA from MRSA 3 327 0.01 (0, 0.05) 10.24 0.15
  1. I2: the percentage of variance in a meta-analysis that shows study heterogeneity. VRSA Vancomycin-resistant Staphylococcus aureus, MRSA Methicillin-resistant Staphylococcus aureus