NLR: neutrophil/lymphocyte ratio, LMR: lymphocyte/monocyte ratio, RDW: red cell distribution width, MAP: mild acute pancreatitis, MSAP: moderately severe acute pancreatitis, SAP: severe acute pancreatitis, SOFA: sequential organ failure assessment, BISAP: Bedside Index of Severity in Acute Pancreatitis, PNI: prognostic nutritional index, CRP: C-reactive protein, BUN: blood urea nitrogen. The gene discussed is CRP; the disease is acute pancreatitis.