Prospective Study about the Utility of Endoscopic Ultrasound for Predicting the Safety of Endoscopic Submucosal Dissection in Early Gastric Cancer (T-HOPE 0801)

Table 1

Clinical characteristics of two groups.

	Group P	Group R	𝑃 value
Number of patients	50	39
Gender (male/female)	37/13	33/6	0.23
Mean age (years ± SD^†)	67.0±8.9	66.2±10.7	0.90
Location (U/M/L)	3/10/37	16/12/11	<0.001
Gross type (elevated/others)	15/35	13/26	0.74
Mean maximum diameter of tumor (mm ± SD)	20.2±12.6	25.4±19.7	0.18
Mean maximum diameter of specimen (mm ± SD)	41.0±13.5	47.6±19.2	0.06
Tumor depth (mucosal cancer/submucosal cancer)	47/3	28/11	0.004

†SD: standard deviation.