Table 4.

Multivariate Analysis of Risk Factors for Postprocedural Stenosis

Variable	Odds ratio (95% CI)	p-value
Location
Confined to channel, antrum or bulb	Reference
Antrum–bulb	2.703 (0.472–15.479)	0.264
Histopathology
Low grade dysplasia	Reference
High grade dysplasia	8.029 (0.664–97.084)	0.101
Early gastric cancer	3.608 (0.377–34.526)	0.265
Tumor size	1.142 (0.973–1.341)	0.103
Circumference of resection
<75%	Reference
≥75%	20.155 (2.105–193.000)	0.009
Procedure time	0.968 (0.920–1.018)	0.204
Piecemeal resection	0.318 (0.011–9.420)	0.507
Incomplete resection	2.433 (0.144–41.018)	0.537

CI, confidence interval.