Comparison of the diagnostic usefulness of the blood biochemical markers for predicting strangulated small bowel obstruction.

Numbers in parentheses represent 95% confidence intervals. aROC indicates receivor operating characteristics. bPPV indicates the positive predictive value. cNPV indicates the negative predictive value. WBC: white blood cell; Plt: platelet; ALP: alkaline phosphatase; LDH: lactic dehydrogenase; CK:creatine phosphokinase; CRP: C-reactive protein; LA:lactic acid; I-FABP: intestinal fatty acid-binding protein