Table 3.

Multivariate regression analyses of risk factors for CdTx positivity

	Odds ratio	95% CI	P
Presence of IBD	67.1	17.4-258.6	0.0001*
PPI use	9.3	2.9-29.3	0.0001*
Previous antibiotic use**	3.9	1.1-13.3	0.02*
Quinolone group antibiotic use	4.8	1.08-21.7	0.03*

CdTx: Clostridium difficile toxin; CI: Confidence interval; IBD: Inflammatory bowel disease; PPI: Proton pump inhibitor. *P≤0.05 was considered statistically significant, **Patients who used antibiotics in last 3 months