Table 1.

Characteristics of the patients with EGC.

		(n = 31)
Age, years	Mean ± SD	73.2 ± 8.7
Sex	Male/female (n)	24/7
Tumor diameter, mm	Mean ± SD	12.1 ± 7.6
Location	Upper/middle/lower stomach (n)	3/20/8
Color of tumor in WLI	Reddish/discolored/isochromatic (n)	20/5/6
Macroscopic type	Elevated/flat/depressed (n)	13/4/14
Histological type	Differentiated/undifferentiated (n)	30/1
Tumor depth of invasion	T1a/T1b (n)	30/1
H. pylori status	Positive/eradicated/negative/undetermined (n)	7/21/2/1

SD Standard deviation, WLI White-light imaging.