• Anum Arif, Farhat Jaleel, and Khalid Rashid.
• Dr. Anum Arif, MBBS, FCPS. Department of Surgery, Aga Khan University of Health Sciences Karachi, Pakistan.
• Pak J Med Sci. 2019 Jul 1; 35 (4): 1008-1012.

ObjectiveTo determine the accuracy of BISAP score in comparison with Ranson's score in detection of severe acute pancreatitis.MethodsThis cross sectional study was performed in Emergency department and Surgery department of Dow university hospital from January 2015 to December 2015. A total of 206 patients were included. Those diagnosed with acute pancreatitis on the basis of epigastric pain, serum amylase levels more than 300 (more than 3 times normal) and meeting the inclusion criteria were subjected to investigations for Ranson's and BISAP scoring. BISAP score was calculated at 24 hours and Ranson's score both at 24 and 48 hours. A score of > 3 was used to label severe acute pancreatitis according to both scoring systems.ResultsIn our study accuracy to predict SAP by BISAP score was 76.2 % and Ranson's score was 82.2%. On the basis of sensitivity, Ranson's scores predicted SAP more accurately than BISAP scores (97.4% vs. 69.2%). Regarding specificity, both scores predicted SAP almost equally (78.4% vs. 77.8%).ConclusionBISAP score is a valuable tool in predicting severe Acute Pancreatitis in early hours.

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