Effect of DiabetesMellitus on Severity and Hospital Mortality in PatientsWith Acute Pancreatitis A national population-based study

RESEARCH DESIGN AND METHODSdIn this retrospective cohort study, we compared 18,990 first-attack AP with diabetes to 37,980 matched control subjects from Taiwan’s National Health Insurance Research Database between 2000 and 2009. Primary outcomes were development of severe AP, defined by a modified Atlanta classification scheme, and hospital mortality. Analyses were performed using univariable and multivariable logistic regression model with generalized estimating equations accounting for hospital clustering effect.