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Table 1 Clinical and microbiological characteristics of patients by group

From: Methicillin-resistant Staphylococcus aureus (MRSA) catheter-related bacteraemia in haemodialysis patients

  HD-CRB n = 34 (100 %) Non-HD-CRB n = 184 (100 %) p
Male Sex 23 (67.6) 113 (61.4) .491
Age > 70 y 16 (47.1) 92 (50) .753
Acquisition    
 Health-care 34 (100) 27 (14.7) <.001
 Nosocomial 0 157 (85.3) <.001
Charlson score > 4 25 (73.5) 85 (46.2) .003
McCabe scale > 2 13 (38.2) 97 (52.7) .120
Pitt score > 3 6 (17.6) 55 (29.9) .144
Microbiology    
 agr typea I 3 (10) 44 (24.9) .082
     II 27 (90) 132 (74.6) .354
 PFGE typea 2 25 (83.3) 107 (60.5) .091
     4 2 (6.7) 18 (10.2) .688
     Other 3 (10) 52(29.3) .046
 Clonal Complexb    
     5 28 (93.3) 128 (74.4) .128
     8 0 14 (8.1) .199
     22 2 (6.7) 17 (9.9) .759
     Other 0 13 (7.6) .774
 PVLa 0 2 (1.1) 1
 Microdilution Vancomycin MICa > = 1.5 mg/L 0 (4.9) .363
 E-test Vancomycin MICa > = 1.5 mg/L 19 (63.3) 78 (44.1) .051
  1. aData available in 207 patients
  2. bData available in 202 patients. Within Clonal Complex 5, 124 isolates belonged to the ST125 clone (HD-CRB: 25/83.3 % vs. Non-HD-CRB: 99/57.6 %; p = .013) whereas 9 isolates belonged to the ST146 clone (HD-CRB: 2/6.7 % vs. Non-HD-CRB: 7/4 %; p = .875)
  3. Abbreviations: HD-CRB Haemodialysis catheter-related bacteraemia, Non-HD-CRB Non-haemodialysis catheter-related bacteraemia, agr Accessory gene regulator, PFGE Pulsed field gel electrophoresis, PVL Panton Valentine Leukocidin, MIC Minimum inhibitory concentration