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Table 28-3

Ranson Criteria for Prognosis of Acute Pancreatitis

At admission
  • Age >55 yr

  • WBC count >16 000/µL

  • Blood glucose >200 mg/dL

  • Serum lactate dehydrogenase (LDH) >350 IU/L

  • Serum glutamic oxaloacetic transaminase (SGOT, aspartate aminotransferase [AST]) >250 IU/L


During initial 48 h
  • Hematocrit decrease of >10%

  • Blood urea nitrogen (BUN) increase of >5 mg/dL

  • Serum calcium <8 mg/dL

  • Arterial Pao2 <60 mm Hg

  • Base deficit >4 mEq/L

  • Estimated fluid sequestration >6 L

Number of criteria metExpected mortality (%)
<3<1
3 or 415
5 or 640
7 or 890