Receiver Operating Characteristic analyses showed a poor predictive accuracy of maximum CRP for mortality AUC: 0.656 (CI: 0.544–0.768) (Figure 4B) and a fair predictive accuracy for both severe and mild AP, AUC: 0.705 (CI: 0.640–0.769) (Figure 4C) and AUC: 0.730 (CI: 0.701–0.760), respectively (Figure 4D). Here, CRP is linked to alkaline phosphatase measurement.