TABLE 2.

Multivariate analysis of factors associated with relapse or reinfection among 82 patients with a second episode of CDI

Factor associated with indicated disease category	OR (95% CI)	P value
Relapse
Infection with BI/NAP1/027 strain	6.9 (1.7, 28.2)	0.007
Opiate use during previous episode	13.1 (3.2, 54.0)	<0.001
Reinfection
Non-CDI antibiotic (previous episode)	0.1 (0.02, 0.5)	0.007
Inflammatory bowel disease	0.04 (0.0, 0.5)	0.011
Antimicrobial(s) (12 wk prior prior to 2nd episode)	0.1 (0.01, 0.8)	0.033