Interpretation: Add 1 point for each of the criteria above, if present.
Number of positive Ranson signs: mortality: < 3: 1%; 3-4: 15%; 5-6: 50%; > 6:~100%
Ranson JHC, et al. Surg Gynecol Obstet. 1974;139:69-81 and Ranson JHC. Am J Gastroenterol. 1982;77:633
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