Table 3

Conditional logistic regression-derived ORsa and 95% CIs for the association of prophylactic antibiotic treatment, regular use of aspirin and gastric cancer, stratified by follow-up time

Years of follow-upNo. ofOR95% CI
CasesControls
A. Prophylactic antibiotic treatmenta
<5No2351Ref.c
Yes651770.80.4–1.4
≥5No2139Ref.
Yes641900.60.3–1.2
B. Regular use of aspirinb
No71166Ref.
<5Yes17660.60.3–1.1
≥5No62168Ref.
Yes24621.00.6–1.9
  • a Adjusted for gender, age, history of gastric resection, and regular use of aspirin.

  • b Adjusted for gender, age, history of gastric resection, and prophylactic antibiotic treatment.

  • c Ref., referent group.