Table 2.

Univariate logistic regression analysis of the association for CDI

Variables	Univariate logistic regression	P
Sex
Male	Reference
Female	1.023(0.742–1.409)	0.892
Age
< 60	Reference
≥ 60	1.451(1.043–2.018)	0.027
Marital status
Unmarried	Reference
Married	0.925(0.673–1.271)	0.63
Smoking
No	Reference
Yes	1.166(0.831–1.638)	0.374
Drinking
No	Reference
Yes	1.119(0.784–1.598)	0.536
Medical Insurance
Resident Medical Insurance	Reference
Employee Medical Insurance	1.116(0.813–1.532)	0.497
Place of Residence
Urban Residents	Reference
Rural Residents	0.827(0.604–1.133)	0.236
Duration of Hospitalization
< 7 days	Reference
≥ 7 days	1.257(0.893–1.769)	0.190
Patient source
Initially presenting patients	Reference
Referred patients	1.053(0.702–1.580)	0.803
Previous H. pylori infection
No	Reference
Yes	1.216(0.862–1.714)	0.265
Unknown	0.870(0.547–1.384)	0.556
Previous Clostridioides difficile infection
No	Reference
Yes	2.274(1.380–3.747)	0.001
Unknown	1.308(0.727–2.354)	0.37
Inflammatory bowel disease
No	Reference
Yes	1.466(1.065–2.019)	0.019
Liver cirrhosis
No	Reference
Yes	0.998(0.655–1.521)	0.993
Malignant tumors
No	Reference
Yes	1.098(0.719–1.676)	0.665
Diabetes
No	Reference
Yes	0.984(0.613–1.579)	0.947
Cardiovascular disease
No	Reference
Yes	1.283(0.903–1.821)	0.164
Malnutrition
No	Reference
Yes	1.501(0.907–2.484)	0.114
Peptic ulcer
No	Reference
Yes	1.242(0.755–2.045)	0.393
Atrophic gastritis
No	Reference
Yes	1.196(0.837–1.71)	0.326
Prior probiotics use
No	Reference
Yes	0.631(0.460–0.866)	0.004
Prior antibiotic use
No	Reference
Yes	1.699(1.215–2.375)	0.002
Prior proton-pump inhibitors use
No	Reference
Yes	1.573(1.141–2.167)	0.006
H. pylori infection
No	Reference
Yes	1.606(1.176–2.194)	0.003