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Table 3 PTPN11 rs2301756 genotype distribution according to H. pylori seropositivity and the grade of gastric atrophy.

From: Associations of a PTPN11 G/A polymorphism at intron 3 with Helicobactor pyloriseropositivity, gastric atrophy and gastric cancer in Japanese

Genotype H. pylori seronegative H. pylori seropositive
  GA (-) GA (+) GA (++) GA (-) GA (+) GA (++)
G/G 447 (68.3%) 11 (64.7%) 25 (89.3%) 293 (68.4%) 223 (68.2%) 127 (75.6%)
G/A 189 (28.9%) 6 (35.3%) 3 (10.7%) 135 (28.9%) 93 (28.4%) 38 (22.6%)
A/A 18 (2.8%) 0 (0.0%) 0 (0.0%) 14 (2.7%) 11 (3.4%) 3 (1.8%)
Total 654 (100%) 17 (100%) 28 (100%) 442 (100%) 327 (100%) 168 (100%)
  1. GA(-), GA(+) and GA(++) indicate no atrophy, mild atrophy and severe atrophy, respectively.