Skip to main content

Table 3 Skin colonization at catheter removal (main group and subgroup analyses)

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

  No US US p value*
All
 High-grade colonization 886 (34.5) 108 (36.9) 0.69
 Low-grade colonization 865 (33.6) 93 (31.7)  
 Sterile 820 (31.9) 92 (31.4)  
Femoral
 High-grade colonization 268 (37.1) 57 (35.4) 0.84
 Low-grade colonization 243 (33.6) 58 (36)  
 Sterile 212 (29.3) 46 (28.6)  
Radial
 High-grade colonization 618 (33.4) 51 (38.6) 0.22
 Low-grade colonization 622 (33.7) 35 (26.5)  
 Sterile 608 (32.9) 46 (34.8)  
≤ 7 days
 High-grade colonization 506 (29.2) 69 (34.5) 0.30
 Low-grade colonization 624 (36) 66 (33)  
 Sterile 601 (34.7) 65 (32.5)  
> 7 days
 High-grade colonization 380 (45.2) 39 (41.9) 0.78
 Low-grade colonization 241 (28.7) 27 (29)  
 Sterile 219 (26.1) 27 (29)  
  1. Skin cultures at removal were not performed for 1086 catheters. *Chi square test was performed