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Table 2 Catheters’ characteristics

From: Ultrasound guidance and risk for intravascular catheter-related infections among peripheral arterial catheters: a post-hoc analysis of two large randomized-controlled trials

  Non-US (n = 3564) US (n = 386) p-value
Catheter days, median (IQR) 5 [2, 9] 5 [2, 9] 0.65
Experience of the operator    
 < 50 procedures 2131 (59.8) 269 (69.7) < 0.01
 ≥ 50 procedures 1433 (40.2) 117 (30.3)  
Insertion site    
 Femoral 1081 (30.3) 226 (58.5) < 0.01
 Radial 2483 (69.7) 160 (41.5)  
Dressing    
 CHG-impregnated 763 (21.4) 11 (2.8) < 0.01
 Standard dressing 2801 (78.6) 375 (97.2)  
Skin antisepsis    
 Not CHG 1482 (41.6) 188 (48.7) < 0.01
 CHG 2082 (58.4) 198 (51.3)  
MV at insertion 2467 (69.2) 280 (72.5) 0.18
Vasopressor at insertion 1471 (41.3) 223 (57.8) < 0.01
Antibiotic at insertion 1933 (54.2) 235 (60.9) 0.01
MCRI 29 (0.8) 3 (0.8) 0.94
CR-BSI 19 (0.5) 2 (0.5) 0.97
Colonization 269 (7.5) 38 (9.8) 0.11
  1. IQR interquartile range, ICU intensive care unit, MV mechanical ventilation, SAPS II score Simplified Acute Physiology Score II, CHG chlorhexidine gluconate, MCRI major catheter-related infection, CR-BSI catheter-related bloodstream infection