Table 3.

Univariate and Multivariate Analysis of Endoscopic Ultrasonography Features

Variable		Univariate analysis		Multivariate analysis
		OR (95% CI)	P value	OR (95% CI)	P value
Age (years)	≥60 vs. <60	1.06 (1.04‒1.09)	<0.001	1.06 (1.02–1.09)	<0.001
Sex	Female vs. male	0.60 (0.37‒0.99)	0.048	0.49 (0.24–1.01)	0.054
Echogenicity			0.007
	Isoechoic vs. hypoechoic	1.2 (0.73‒1.98)	0.477
	Hyperechoic vs. hypoechoic	7.03 (2.08‒23.75	0.002
Homogeneity	Heterogenous vs. homogenous	9.83 (4.14‒23.30)	<0.001	9.48 (3.30–27.27)	<0.001
Hyperechoic spots	Present vs. absent	0.74 (0.44‒1.27)	0.281
Anechoic spaces	Present vs. absent	8.89 (2.72‒29.04)	<0.001	3.71 (0.93–14.81)	0.063
Marginal irregularity	Irregular vs. regular	2.27 (0.77‒6.67)	0.137
Location	Non-cardia vs. cardia	18.53 (10.26–33.48)	<0.001	19.11 (9.36–39.02)	<0.001
Dimpling or ulcer	Present vs. absent	3.84 (1.48–9.95)	0.006	2.38 (0.68‒8.33)	0.175
Tumor shape	Elongated vs. non-elongated	0.496 (0.29‒0.83)	0.009
Mucosal erythema	Present vs. absent	1.61 (0.81‒2‒3.16)	0.17

CI, confidence interval; OR, odds ratio.