C-pattern (n=19) P-pattern (n=25) P value
Age, median (range), y 68 (58-90) 67 (54-84) 0.38
Sex (Male/Female) 17/2 24/1 0.40
Location (Upper or Middle/Lower) 8/11 18/7 0.04
Size, median (range), mm 17 (8-60) 17 (7-55) 0.23
Macroscopic type (elevated, depressed) 9/10 8/17 0.30
Histological type (tub1,tub2,pap) 11/6/2 16/9/0 0.25
Lymphatic or venous invasion (+/-) 6/13 7/18 0.79
Depth of invasion (sm1/sm2) 10/9 10/15 0.41
MI Ki-67, median (range) 62 (46-72) 58 (44-76) 0.47
Phenotype of mucosal layer (G/GI/I) 4/6/9 3/11/11 0.60
Upper and middle, upper and middle thirds of the stomach; Lower, lower third of the stomach; tub1, well differentiated tubular adenocarcinoma; tub2, moderately differentiated tubular adenocarcinoma; pap, papillary adenocarcinoma; sm1, submucosal invasion of less than 500mm; sm2, submucosal invasion of 500mm or more.
Table 1: Clinicopathological features of analyzed gastric cancers.