Risk Factors for Acute Hemorrhagic Rectal Ulcer Syndrome and Its Prognosis: A Density Case-Control Study

Table 2

Bivariate and multivariate logistic regression analyses.

Variable	Crude OR	95% CI	value	Adjusted OR	95% CI	value
Age	1.10	1.06–1.14	<0.0001	1.03	0.96–1.11	0.36
Hospitalization	41.52	14.8–116.8	<0.0001	15.65	2.25–108.9	0.006
Antithrombotic drug use	12.86	5.49–30.13	<0.0001	12.05	1.53–94.4	0.018
Comorbidity
Hypertension	2.66	1.26–5.61	0.0093	0.51	0.08–3.18	0.47
Diabetes mellitus	0.13	0.82–4.68	0.141	1.33	0.12–14.8	0.82
Ischemic heart disease	12.27	4.01–37.53	<0.0001	8.44	0.89–80.3	0.063
Cerebral vascular disease	11.64	4.45–30.40	<0.0001	2.41	0.42–13.7	0.32
On hemodialysis	4.71	1.00–22.05	0.049	0.66	0.01–33.5	0.84
Laboratory findings
White blood cell count	1.26	1.09–1.46	0.0004	1.24	0.94–1.63	0.11
Hemoglobin	0.53	0.43–0.66	<0.0001	0.97	0.59–1.60	0.9
Serum AST	1.02	0.99–1.05	0.145	0.98	0.92–1.05	0.64
Serum albumin	0.036	0.01–0.10	<0.0001	0.11	0.02–0.52	0.006

OR: odds ratio; AST: aspartate aminotransferase.