Table 3.

Catheter outcomes: colonization and CRBSI

(a) No. of catheters and incidence per 1000 catheter-days
	All N = 796	0.5% CHG N = 261	1.0% CHG N = 278	10% PVI N = 257	P value
Colonization
Number of catheters (%)	24 (3.0%)	5 (1.9%)	6 (2.2%)	13 (5.1%)	0.07
Incidence per 1000 catheter-days, n (95% CI)	5.8 (3.5–8.2)	3.7 (0.5–6.9)	3.9 (0.8–7.0)	10.5 (4.8–16.3)	0.03
CRBSI
Number of catheters (%)	13 (1.6%)	4 (1.5%)	3 (1.1%)	6 (2.3%)	0.51
Incidence, per 1000 catheter-days, n (95% CI)	3.2 (1.4–4.9)	3.0 (0.1–5.8)	2.0 (0–4.2)	4.9 (1.0–8.8)	0.41
(b) Hazard ratio for each combination of antiseptic solution
	Colonization		CRBSI
	HR (95% CI)	P value	HR (95% CI)	P value
0.5% CHG vs. 10% PVI	0.33 (0.12–0.95)	0.04	0.63 (0.18–2.22)	0.47
1.0% CHG vs. 10% PVI	0.35 (0.13–0.93)	0.04	0.41 (0.10–1.63)	0.20
0.5% CHG vs. 1.0% CHG	0.95 (0.29–3.13)	0.94	1.54 (0.35–6.90)	0.57

CHG chlorhexidine gluconate, PVI povidone-iodine, HR hazard ratio, CI confidence interval, CRBSI catheter-related bloodstream infection