Table 4

Evaluation of the joint impact of use of aspirin and prophylactic antibiotics on gastric cancer risk: adjusteda conditional logistic regression-derived ORs and 95% CIs

AspirinMaximum antibiotic dose
NoBelow medianAbove median
No1.00 (Ref.)b0.6 (0.3–1.0)0.6 (0.3–1.1)
Yes0.4 (0.2–1.2)0.6 (0.3–1.2)0.5 (0.2–1.0)
  • a Adjusted for gender, age, and history of gastric resection.

  • b Data are given as OR (95% CI). Ref., referent group.