. Author manuscript; available in PMC: 2015 May 1.

Published in final edited form as: Aliment Pharmacol Ther. 2014 Mar 18;39(10):1136–1142. doi: 10.1111/apt.12706

Table 2.

Multivariate analysis of predictors of clostridium difficile infection

Characteristic	Adjusted odds ratio^†	95% confidence interval
Charlson co-morbidity
0–2	1.0
≥ 3	6.06	1.34 – 27.47
Recent surgery or hospitalization
No	1.0
Yes	8.84	1.98 – 39.46
Steroid use
No	1.0
Yes	0.16	0.07 – 0.36
Immunosuppressive use
No	1.0
Yes	3.82	1.46 – 9.99
Serum 25(OH)D	0.96	0.93 – 0.99

^†

Additionally adjusted for age, gender, race, season of measurement, IBD type, antibiotic use within 90 days, and duration of follow-up