Endoscopic ultrasound in early gastric cancer: Diagnostic accuracy and Tis/T1a lesion over staging risks

Table 4 Univariate and multivariate analysis for factors influencing overestimation of Tis/T1a early gastric cancer

	Univariate analysis		Multivariate analysis
	OR (95%CI)	P value	OR (95%CI)	P value
Age, year
≥ 50	1.00		1.00
< 50	3.05 (1.06-8.81)	0.039	6.24 (1.31-29.63)	0.021
Gender
Male	1.00		1.00
Female	0.62 (0.25-1.54)	0.304	0.37 (0.11-1.17)	0.090
BMI, kg/m2
≥ 24	1.00		1.00
< 24	1.84 (0.65-5.19)	0.252	4.38 (1.06-18.18)	0.042
Size, cm
< 3	1.00		1.00
≥ 3	1.03 (0.40-2.65)	0.947	1.21 (0.35-4.19)	0.759
Ulcer
Absent	1.00		1.00
Present	7.00 (2.21-22.17)	< 0.001	15.25 (3.23-71.98)	< 0.001
Location
Upper	1.00		1.00
Middle	1.08 (0.18-6.44)	0.745	0.36 (0.03-4.63)	0.175
Lower	1.72 (0.31-9.45)	0.354	1.48 (0.16-13.38)	0.193
Differentiation
Well/moderate	1.00		1.00
Poorly	0.91 (0.37-2.24)	0.841	0.32 (0.08-1.24)	0.100

BMI: Body mass index; OR: Odds ratio; CI: Confidence interval.