Colectomy Rates for Ulcerative Colitis Differ between Ethnic Groups: Results from a 15-Year Nationwide Cohort Study

Table 5

Logistic regression model of predictors of colectomy for ulcerative colitis.

		Univariable	Multivariable
			Odds ratio (OR)	95% confidence interval (CI)
Gender	Male	<0.001	1 (ref.)
	Female		0.75	0.71–0.79	<0.001
Age	<30 yrs	<0.001	1 (ref.)
	31–45 yrs		0.79	0.72–0.86	<0.001
	46–60 yrs		0.66	0.60–0.72	<0.001
	>60 yrs		0.40	0.36–0.44	<0.001
Comorbidity (Charlson score)	No comorbidity	<0.001	1 (ref.)
	1		0.74	0.66–0.82	<0.001
	>1		0.36	0.29–0.45	<0.001
Ethnicity	Caucasian	0.004	1 (ref.)
	Black Afro-Caribbean		0.87	0.68–1.12	0.28
	Indian		1.21	1.04–1.42	0.013
	Pakistani		0.70	0.53–0.93	0.014
	Bangladeshi		0.53	0.23–1.21	0.134
	Chinese		1.32	0.80–2.18	0.278