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

Table 4 Multivariate analysis for incomplete resection

	Univariate analysis		Multivariate analysis
	OR (95%CI)	Pvalue	OR (95%CI)	Pvalue
Tumor size, mm
< 20	1 (reference)
≥ 20	2.144 (1.526-3.011)	< 0.001	1.846 (1.283-2.654)	0.001
Ulcer
-	1 (reference)
+	1.210 (0.589-2.485)	0.604
SM invasion
-	1 (reference)
+	1.828 (0.811-4.119)	0.146
Location
Non-upper third	1 (reference)
Upper third	2.12 1(1.247-3.607)	0.006	1.576 (0.882-2.814)	0.124
Location
Non-posterior wall	1 (reference)
Posterior wall	1.707 (1.208-2.410)	0.002	1.687 (1.163-2.449)	0.006
Pathology
Dysplasia	1 (reference)
Carcinoma	4.921 (3.240-7.475)	< 0.001	4.675 (3.049-7.166)	< 0.001
Procedure time, min
< 60	1 (reference)
≥ 60	2.494 (1.772-3.509)	< 0.001	1.648 (1.142-2.379)	< 0.001

SM: Submucosa.