Table II.

Univariate and multivariate analysis of the factors that may affect underestimation of tumor depth in cT1 gastric cancer.

	Univariate analysis			Multivariate analysis
	Odds ratio	95% CI	P-value	Odds ratio	95% CI	P-value
Age (years)	0.99	0.96–1.03	0.697
Male/female
Male	0.85	0.35–2.17	0.716
Body mass index	0.95	0.82–1.09	0.442
Tumor size
≥20 mm	6.09	1.74–38.7	0.003	6.61	1.82–42.9	0.002
Tumor location
Upper third	2.67	1.09–6.30	0.033	3.99	1.49–10.8	0.006
Gross type
Depressed	0.94	0.33–2.87	0.904
Histology
Diffuse type	2.19	0.98–4.91	0.057	2.88	1.19–7.20	0.019