Table 3.

Odds ratios of covariates on diagnosis of urolithiasis and uncomplicated UTI

Urolithiasis—univariate model	Odds ratio	P > Z	95% confidence interval
Caucasian race	1.306	0.088	0.961–1.775
Female sex	1.142	0.378	0.850–1.536
IBD subtype: ulcerative colitis	0.895	0.458	0.668–1.200
History of GI surgery	2.706	< 0.001	1.749–4.187
History of aminosalicylates prescription	0.879	0.424	0.640–1.206
History of prednisone prescription	1.834	< 0.001	1.367–2.462
Age	1.005	0.195	0.998–1.012

Urolithiasis—multivariate model	Odds ratio	P > Z	95% confidence interval
History of GI surgery	2.495	< 0.001	1.598–3.897
History of prednisone prescription	1.729	< 0.001	1.282–2.333
Caucasian race	1.492	0.013	1.087–2.048
Age	1.005	0.233	0.997–1.012

Uncomplicated UTI– univariate model	Odds ratio	P > Z	95% confidence interval
Age	1.004	0.14	0.999–1.009
Caucasian race	0.599	< 0.001	0.491–0.729
Female sex	3.791	< 0.001	2.955–4.863
History of GI surgery	3.957	< 0.001	2.893–5.412
IBD Subtype: Ulcerative Colitis	1.061	0.56	0.871–1.293
History of aminosalicylate prescription	0.980	0.85	0.793–1.211
History of prednisone prescription	1.790	< 0.001	1.460–2.194
History of fistulizing disease (only Crohn’s disease patients)	2.957	< 0.001	2.145 -4.076

Uncomplicated UTI—multivariate model	Odds ratio	P > Z	95% confidence interval
Age	1.003	0.26	0.998–1.008
Caucasian race	0.665	< 0.001	0.540–0.819
Female sex	4.135	< 0.001	3.187–5.365
History of GI surgery	3.876	< 0.001	2.769–5.426
History of prednisone prescription	1.667	< 0.001	1.345–2.066
History of fistulizing disease (only CD patients)	2.003	< 0.001	1.366–2.939