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Table 4 Riska of upper gastrointestinal cancer by genotype

From: ABO genotypes and the risk of esophageal and gastric cancers

  Allele 2 Pb
O A B
ESCC
Allele 1
  O REF 1.17 (0.99–1.39) 1.16 (0.99–1.36) 0.094
  A 1.14 (0.84–1.56) 1.33 (1.06–1.67)  
  B 1.31 (1.00–1.72)  
Cardia
Allele 1
  O REF 1.15 (0.95–1.40) 1.11 (0.92–1.34) 0.57
  A 1.07 (0.73–1.55) 1.19 (0.91–1.55)  
  B 0.93 (0.66–1.30)  
Noncardia
Allele 1
  O REF 1.37 (1.13–1.66) 1.11 (0.92–1.35) 0.014
  A 1.35 (0.95–1.92) 1.44 (1.10–1.88)  
  B 1.14 (0.81–1.61)  
  1. aOR (95% CI) from adjusted logistic model conditioned on study, adjusted for age, sex, alcohol consumption, and ever smoking tobacco
  2. b5 df likelihood ratio test