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Ranson's criteria is one of the first scoring systems used to assess prognosis in acute pancreatitis. It consists of 11 parameters,5 assessed at admission and 6 more during the next 48 hours
The criteria are well known and of historical interest, though a meta-analysis of 110 studies found the Ranson score to be a poor predictor of severity and performed no better than clinical judgement.
Reference
Ranson JHC, Rifkind KM, Roses DF et al.
Objective early identification of severe acute pancreatitis.
Am J Gastroenterol 1974; 61: 433-51.
Bernardinis M, Violi V, Roncoroni L, Boselli AS, Giunta A, Peracchia A
Discriminant power and information content of Ranson's prognostic signs in acute pancreatitis: a meta-analytic study.
Crit Care Med. 1999;27(10):2272.
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