Clinical significance of white gastric crypt openings observed via magnifying endoscopy

Table 1 Characteristics of study patients n (%)

	Diff-GC	Undiff-GC	GU	DU	Gastritis and normal
Number of patients	46	23	8	22	76
Age (yr, mean ± SD)	70.6 ± 9.2	65.5 ± 8.2	62.6 ± 10.6	49.2 ± 12.4	63.7 ± 12.5
Sex, male/ female	36/10	7/16	6/2	17/5	50/26
Current Helicobacter pylori- infection	40 (87.0)	21 (91.3)	8 (100)	22 (100)	48 (63.2)
Endoscopic degree of atrophy (mild/ moderate/ severe)	3/14/29	9/12/2	2/2/4	20/2/0	41/15/20
Round pits in LC	12 (35.3)	12 (52.2)	3 (37.5)	22 (100)	48 (63.2)
Round pits in GC	33 (71.7)	23 (100)	8 (100)	22 (100)	63 (82.9)

Diff-GC: Differentiated-type gastric cancer; DU: Duodenal ulcer; GC: Greater curvature of corpus; GU: Gastric ulcer; LC: Lesser curvature of corpus; Undiff-GC: Undifferentiated-type gastric cancer.