Table 1.

Characteristics of subjects

Healthy controlAtrophic gastritisGastric cancerP
Subjects (n)252215396
Sex [male/female (%/%)]188/64 (74.6/25.4)162/53 (75.3/24.7)291/105 (73.5/26.5)0.87
Mean age ± SD (y)51.1 ± 10.155.6 ± 9.762.2 ± 11.7<0.001
Anti-H. pylori IgG antibody seropositivity (%)30.687.053.3<0.001
Smokers (%)59.156.763.30.30
  • NOTE: Smokers, current and ex-smokers.