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Table 3 Likelihood of chronic pancreatitis with respect to gender, biliary disease stratified by smoking duration (in years) in a retrospective case control study

From: Cigarette smoking associated with chronic pancreatitis: a case control study in China

Variable Smoking duration OR 95.0% CI   P value
(years)   Lower Upper  
All subjects
  20–29 0.685 0.454 1.034 0.072
  ≥ 30 1.372 0.842 2.237 0.204
All subjects without biliary disease
  20–29 0.742 0.436 1.264 0.272
  ≥ 30 2.345 1.106 4.973 0.026*
Male
  20–29 0.655 0.405 1.06 0.085
  ≥ 30 1.32 0.723 2.412 0.366
  1. Age- and gender-matched healthy individuals were randomly selected from the PUMCH Medical Center as control group
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