Risk Factors for an Iatrogenic Mallory-Weiss Tear Requiring Bleeding Control during a Screening Upper Endoscopy

Table 3

Univariate and multivariate analysis of the risk factors for bleeding control in patients with iatrogenic Mallory-Weiss tears.

	Univariate analysis		Multivariate analysis
	Odds ratio (95% CI)	value	Odds ratio (95% CI)	value
Age	1.005 (1.003–1.007)	<0.001	2.121 (2.014–2.229)	<0.001
Sex (male)	1.048 (0.989–1.109)	0.114
Diabetes mellitus	1.010 (0.909–1.122)	0.847
Hypertension	1.053 (0.985–1.125)	0.128
Liver disease	0.974 (0.871–1.088)	0.639
Antiplatelet	1.014 (0.903–1.138)	0.816
Anticoagulant	1.228 (0.937–1.609)	0.137
History of distal gastrectomy	1.352 (1.161–1.574)	<0.001	3.213 (1.194–8.649)	0.021
Reflux esophagitis	1.015 (0.953–1.082)	0.643
Sedation	0.915 (0.863–0.969)	0.003	1.233 (0.708–2.147)	0.460
Fewer than 2,237.5 endoscopic procedures at the time of the MWT	1.102 (1.041–1.154)	0.001	2.118 (1.239–3.622)	0.006

CI: confidence interval; MWT: Mallory-Weiss tear.