Table 2.

Risk factors for BSI

	Univariate analysis			Multivariate analysis
	OR	95% CI	p-value	OR	95% CI	p-value
Age, per supplementary year	0.99	[0.98-1.01]	0.49
Simplified acute physiology score II, per one point increment	1.00	[1.00-1.01]	0.14	1.00	[0.99-1.01]	0.76
Male	1.21	[0.73-2.02]	0.46
Admission from a long-term care facility	2.36	[0.55-10.10]	0.25
Admission from an acute care ward	1.33	[0.82-2.13]	0.25
Admission from Home	0.73	[0.45-1.16]	0.18	0.77	[0.48-1.24]	0.28
Admission from an other ICU	0.64	[0.09-4.72]	0.66
Admission for trauma	0.84	[0.30-2.35]	0.75
Surgical reason for admission	1.26	[0.72-2.19]	0.42
Antibiotic before admission	1.04	[0.64-1.68]	0.87
Immunosuppresion	0.99	[0.36-2.76]	0.99
Neutropenia (<500/mL)	1.13	[0.15-8.37]	0.91
Intubation during period at risk for BSI	4.73	[2.04-10.96]	<0.001	2.72	[1.13-6.54]	0.026
Central catheter during period at risk for BSI	9.04	[3.29-24.89]	<0.001	6.49	[2.28-18.47]	<0.001
Number of day at risk for BSI, per supplementary days	1.02	[1.00-1.04]	0.13	1.00	[0.97-1.02]	0.65

ICU intensive care unit. BSI bloodstream infection