Basic characteristics of the study population
comorbidity, Sequential organ failure, coma, SIRS
BLOOD, SYSTEMIC INFLAMMATORY RESPONSE SYNDROME, COMA, ACUTE PANCREATITIS
A total of 1,930 participants diagnosed with AP were screened from MIMIC III and MIMIC IV databases; of these 1,930 patients, 256 were excluded due to the length of ICU stay less than 24 h, and 2 were excluded due to the age < 18 years. Finally, 1, 672 patients were eligible for participation, with 1,338 patients in the training set and 334 patients in the testing set. The flow chart of the participants’ selection is depicted in Fig. 
The flow chart of the participants selection
Basic characteristics of study populationNotes: GCS: Glasgow coma scale; CCI: Charlson comorbidity index; WBC: White blood cell count; Platelet: Platelet count; RDW: Red blood cell distribution width; INR: International normalized ratio; PT: Prothrombin time; PTT: Partial thromboplastin time; BUN: Blood urea nitrogen; SOFA: Sequential organ failure assessment score; qSOFA: Quick SOFA; SAPSII: Simplified acute physiology score II; SIRS: Systemic inflammatory response syndrome; BISAP: Bedside index of severity in acute pancreatitis; M: Median; SD: Standard deviations; Q1: 25% Quantile; Q3: 75% Quantile