Table 3.

Multivariate logistic regression analysis of high aspiration risk in patients with gastric cancer

Variables	β value	OR (95% CI)	P value
Tumor size	0.156	1.169 (1.045–1.307)	0.006
Gastrointestinal obstruction	3.074	21.633 (4.199–111.443)	< 0.0001
Tumor located at cardia	-2.361	0.096 (0.019–0.464)	0.004
Tumor located at antrum	0.835	2.304 (1.169–4.539)	0.016
Stage N3	0.816	2.261 (1.062–4.812)	0.034

OR odds ratio, CI confidence interval