Brief Articles
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Jun 16, 2011; 3(6): 118-123
Published online Jun 16, 2011. doi: 10.4253/wjge.v3.i6.118
Table 1 The age, sex, Helicobacter pylori status and grade of gastric atrophy of group "A", "B" and "C" patients n (%)
TotalGroup AGroup BGroup CP value
Number39024 (6.2)85 (21.7)280 (71.8)
Age (mean ± SD) years62.9 ± 1348.5 ± 15.757 ± 13.266 ± 11.1 ≤ 0.001
< 60 years139 (35.6)19 (13.7)47 (33.8)73 (52.5)
≥ 60 years251 (64.4)5 (2)38 (15.2)207 (82.8)
Gender> 0.05
Male198 (50.8)8 (4.1)44 (22.3)145 (73.6)
Female192 (49.2)16 (8.3)41 (21.4)135 (70.3)
H. pylori status ≤ 0.001, r = -0.29
Positive229 (58.7)2 (8.3)42 (49.4)185 (66.1)
Negative161(41.3)22 (91.7)43 (50.6)95 (33.9)
Grade of gastric atrophy ≤ 0.001
No atrophy22 (5.6)10 (45.5)5 (22.7)7 (31.8)
Closed-type atrophy198 (50.8)14 (7.1)63 (32)120 (60.6)
Open-type atrophy170 (43.6)0 (0)17 (10)153 (90)