Table 3

Duration of regular continuing NSAID use among cases of pancreatic cancer (n = 504), stomach cancer (n = 254), esophageal cancer (n = 215), gallbladder cancer (n = 125), and controls (n = 5952)

GroupNever usedDuration of NSAID use (years)
<55+
Controls2339198188
Cancers
Pancreas2072218
ORa1.0b0.80.6
95% CI0.5–1.40.4–1.1
Stomach12353
OR1.0b0.40.2
95% CI0.1–0.90.1–0.7
Esophagus93136
OR1.0b1.20.4
95% CI0.7–2.40.2–1.1
Gallbladder5763
OR1.0b0.80.3
95% CI1.3–2.00.1–1.1
  • a Adjusted for age, sex, interview year, center, race, religion, cigarette smoking, family history of digestive cancer, education, and alcohol consumption.

  • b Reference category.