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Table 5 Genotype frequencies for PTPN11 rs2301756 polymorphism, age-sex adjusted odds ratios (ORs) and 95% confidence intervals (CIs) of gastric cancer relative to H. pylori infected subjects without gastric atrophy (HP-infected without atrophy).

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

Genotype HP infected without atrophy n= 442 Gastric cancer n= 583 OR 95% CI P value
G/G 293 (66.3%) 396 (67.9%) 1 Reference -
G/A 135 (30.5%) 174 (29.8%) 0.97 0.74–1.28 0.839
A/A 14 (3.2%) 13 (2.2%) 0.71 0.33–1.53 0.381
G/A+A/A 149 (33.7%) 187 (32.1%) 0.95 0.73–1.23 0.689
G 721 (81.6%) 966 (82.8%) 1 Reference -
A 163 (18.4%) 200 (17.2%) 0.92 0.72–1.16 0.243
  1. aOR for each genotype was calculated by age and sex adjusted logistic regression model, and a crude OR was calculated for each allele.