From: Cigarette smoking associated with chronic pancreatitis: a case control study in China
Variable | Smoking duration | OR | 95.0% CI | Â | P value |
---|---|---|---|---|---|
(years) | Â | Lower | Upper | Â | |
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 |