Research Article

Blood Urea Nitrogen as a Predictor of Severe Acute Pancreatitis Based on the Revised Atlanta Criteria: Timing of Measurement and Cutoff Points

Figure 1

ROC curves for various predictors for SAP. The AUCs were 0.59 ± 0.08, 0.61 ± 0.08, 0.74 ± 0.08, 0.75 ± 0.08, 0.80 ± 0.07, 0.68 ± 0.09, and 0.76 ± 0.08 for WBC at admission, platelets at admission, calcium at admission, BUN at admission, BUN after 24 hrs of hospitalization, Scr at admission, and Scr after 24 hrs of hospitalization, respectively. The ideal AUC was 1.00. The reference line represents AUC of 0.50, based on chance alone.