Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Mortality
RCT	74 people with chronic pancreatitis with an inflammatory mass limited to the pancreatic head, 51 evaluated, alcohol intake and age not reported	Late mortality median 8.6 years 8/26 (31%) with Beger ductal decompression 8/25 (32%) with Frey ductal decompression	Reported as not significant P value not reported		Not significant