Table 4.
Multivariate analysis using modified least squares regression.
| Parameter | Reference | Risk difference | 95% CI | P |
|---|---|---|---|---|
| PVI | ACHX | 12.9 | 8.8–16.9 | < 0.001 |
| CV Other | Venous | 17.3 | 3.6–31.0 | 0.013 |
| Femoral | Venous | 13.1 | 8.2–17.9 | < 0.001 |
| Male | Female | 2.3 | -3.4–8 | 0.425 |
| Age | per 10 years | 1.8 | 0.3–3.2 | 0.015 |
| Antiseptics and blood sampling sites | ||||
| PVI/CV Other | ACHX/Femoral | 24.5 | 9.7–67.8 | 0.004 |
| PVI/Femoral | ACHX/Femoral | 20.3 | 13.5–27.0 | < 0.001 |
| PVI/Venous | ACHX/Femoral | 2.2 | −2.6 to 7.1 | 0.362 |
| ACHX/CV Other | ACHX/Femoral | 1.7 | −2.6 to 6.0 | 0.444 |
| ACHX/Venous | ACHX/Femoral | −1.1 | −4.6 to 2.3 | 0.524 |
| Male | Female | 2.2 | −3.5 to 7.9 | 0.447 |
| Age | per 10 years | 1.7 | 0.2–3.1 | 0.028 |
ACHX, 1.0% alcohol/chlorhexidine gluconate; CI confidence interval, CV Other, blood culture sample from recently inserted central venous, venous and arterial catheters, implanted port; Femoral, femoral artery or vein; PVI, 10% aqueous povidone-iodine; Venous, venipuncture without catheter insertion.