Table 3.

Association between dose per week of aspirin and NSAID use and adenomatous polyp risk, the TCPS

Aspirin, doses/wk
Nonaspirin NSAIDs, doses/wkNone≤7>7
Case/controlsORa (95% CI)Case/controlsORa (95% CI)Case/controlsORa (95% CI)
None748/1,6541.00444/9430.76 (0.65–0.89)66/1100.85 (0.60–1.20)
≤772/2050.75 (0.56–1.01)56/1070.83 (0.58–1.19)9/160.81 (0.34–1.92)
>779/2320.58 (0.44–0.78)39/1310.38 (0.26–0.57)16/330.65 (0.34–1.24)
P-interaction = 0.56
  • aAdjusted for age, gender, race, family history, education level, BMI, energy intake, smoking status, alcohol use, physical activity, use of hormone replacement therapy, indication for colonoscopy, study site, and year of study enrollment.