TABLE 2.

Multiple logistic regression results for the effects of active versus inactive empiric therapy on inpatient mortality for patients with GNBI (n = 884)

Patient characteristic	OR (95% CIa)	P value
Male sex	0.63 (0.42, 0.96)	0.03
Age (yr)	1.0 (0.99, 1.02)	0.30
Organismb
P. aeruginosa	2.48 (1.34, 4.60)	0.004
E. coli	0.96 (0.54, 1.70)	0.88
K. pneumoniae	0.90 (0.48, 1.67)	0.73
Nosocomial infection	4.84 (2.90, 8.09)	<0.001
Charlson scorec
1 or 2	2.39 (1.46, 3.92)	0.001
≥3	4.36 (2.42, 7.86)	<0.001
Surgical admission	0.27 (0.16, 0.47)	<0.001
Sepsis	3.27 (1.70, 6.27)	<0.001
ICU admissiond	4.23 (2.72, 6.59)	<0.001
Inactive empiric antimicrobial therapy	0.61 (0.31, 1.18)	0.14

^a95% CI, 95% confidence interval.

^bCompared to other organisms.

^cCompared to Charlson score of 0.

^dDefined as ICU admission at the time of the index culture.