Outcome variables and predictors
death, coma
EVENT, COMA
The primary outcome event was in-hospital death within 28 days in elderly ICU patients with IS. The clinical data were collected within 24 h of admission. To identify candidate predictor variables, a review of literature was done and the present study selected variables that were available in the eICU. The finally selected 51 variables, including vital signs, demographics, laboratory tests, and comorbidities, are listed in The population demographics and clinical characteristics.Polys, percentage of polymorphonuclear granulocytes; GCS, Glasgow coma scale; ALT, alanine transaminase; AST, aspartate aminotransferase; ALP, alkaline phosphatase; BUN, blood urea nitrogen; WBC, white blood cells; INR, the international standardization percentage ratio; PT, prothrombin time; SpO