Impact of tumor location on clinical outcomes of gastric endoscopic submucosal dissection

Table 6 Multivariate analysis for post-endoscopic submucosal dissection bleeding

	Univariate analysis		Multivariate analysis
	OR (95%CI)	Pvalue	OR (95%CI)	Pvalue
Tumor size, mm
< 20	1 (reference)
≥ 20	1.938 (1.151-3.362)	0.013	1.523 (0.886-2.619)	0.128
Ulcer
-	1 (reference)
+	1.377 (0.485-3.909)	0.547
SM invasion
-	1 (reference)
+	0.807 (0.276-2.358)	0.695
Location
Non-upper third	1 (reference)
Upper third	1.621 (0.957-2.745)	0.072
Location
Non-posterior wall	1 (reference)
Posterior wall	0.990 (0.559-1.754)	0.972
Pathology
Dysplasia	1 (reference)
Carcinoma	1.633 (0.963-2.770)	0.069
Procedure time, min
< 60	1 (reference)
≥ 60	2.804 (1.636-4.807)	< 0.001	2.120 (1.185-3.793)	0.011
Curability
Complete resection	1 (reference)
Incomplete resection	1.259 (0.587-2.698)	0.555
Resectability
En bloc	1 (reference)
Piecemeal	3.771 (2.040-6.971)	< 0.001	2.749 (1.433-5.276)	0.002

SM: Submucosa.