CRP and alkaline phosphatase measurement: Similarly, in the same study, suPAR levels were also significantly elevated in patients with SAP as compared to MAP (P < .001), showing a positive correlation between suPAR and other laboratory parameters used to assess the severity of AP.[24] Kolber et al[22] reported that uPAR concentrations were linked with various inflammatory indicators during the study period, including procalcitonin, IL-6, and CRP (beginning on day 2 of the hospital stay).