1. Analyses of Hospital Administrative Data That Use Diagnosis Codes Overestimate the Cases of Acute Pancreatitis 
Shreyas Saligram, David Lo, Melissa Saul, Dhiraj Yadav 
Clinical Gastroenterology and Hepatology 
Volume 10, Issue 7, Pages e1 (July 2012)
DOI: /j.cgh
Copyright © 2012 AGA Institute Terms and Conditions

2. Figure 1
Relationship between specificity and PPV of the criteria used to identify patients with AP using administrative datasets. PPV can improve further if natural language processing for radiology reports is incorporated. Unique patients may not be chosen when the interest is to study episodes of AP. Exclusion of patients with AP or CP diagnosis will depend on study aims.
Clinical Gastroenterology and Hepatology  , e1DOI: ( /j.cgh )
Copyright © 2012 AGA Institute Terms and Conditions