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Annals of Intensive Care
Fig. 2 | Annals of Intensive Care

Fig. 2

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

Fig. 2

Adjusted analyses for risk of MCRI, CR-BSI and colonization for ultrasound guidance versus without ultrasound guidance. *Variables used for adjusting MCRI: SAPS II score, dressing, skin antisepsis, vasopressor at insertion. **Variables used for adjusting CR-BSI: SAPS II score, skin antisepsis and antibiotic at insertion. ***Variables used for adjusting colonization: vasopressor at admission, SAPS II score, insertion site, dressing, skin antisepsis, mechanical ventilation at insertion, vasopressor at insertion, and antibiotics at insertion. A hazard ratio (HR) less than one indicated a lower risk of event of ultrasound guidance (US) compared with non-US. CI confidence interval, MCRI Major catheter-related infection, CR-BSI catheter-related bloodstream infection

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