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Table 2 Microbiological and genotypic characteristics of hVISA and VSSA bacteriaemia in ICU

From: Clinical outcomes and molecular typing of heterogenous vancomycin-intermediate Staphylococcus aureus bacteremia in patients in intensive care units

  Isolation no. (%)  
  hVISA (n = 14) VSSA (n = 34) p
Vancomycin MIC    
(E test)    < 0.001
 1 mg/L 0 6  
 1.5 mg/L 0 18  
 2 mg/L 14 10  
MLST    0.007
 ST-239 14 (100) 14 (41.2)  
 ST-5 0 12 (35.3)  
 ST-59 0 5 (14.7)  
 ST-45 0 2 (5.9)  
 ST-1 0 1 (2.9)  
SCCmec type    0.095
 II 5 (35.7) 17 (50)  
 III 9 (64.3) 10 (29.4)  
 IV 0 5 (14.7)  
 V 0 2 (5.95)  
agr subgroup    0.4
 1 11 (78.6) 20 (58.8)  
 2 3 (21.4) 13 (38.2)  
 3 0 1 (2.9)  
agr dysfunction 10 (71.4) 3 (8.8) <0.001