Table 1: Patient characteristic of two groups.

Group VGroup N

No. of patients18101
Mean age (years SD)68.5 8.668.9 9.4N.S.
Sex (male : female)14 : 481 : 20N.S.
Mean maximum diameter of lesions (mm SD)18.9 10.222.1 17.4N.S.
Gross type
(elevated type : non-elevated type)
5 : 1331 : 70N.S.
Location (U : M : L)3 : 11 : 417 : 36 : 48N.S.

SD: standard deviation.
U: fornix, cardiac part, and upper body, M: middle body and lower body, L: gastric angle and antrum.