Table 1.

Collected variables.

Items	Content
Demographics	Gender, age, race
Vital signs	Temperature, heart rate, respiratory rate (RR), systolic blood pressure (SBP), diastolic blood pressure (DBP), and oxyhemoglobin saturation (SpO2)
Disease severity scores	Sequential Organ Failure Assessment (SOFA), Acute Physiology Score III (APSIII), Glasgow Coma Scale (GCS), Charlson Comorbidity Index (CCI), Simplified Acute Physiology Score II (SAPSII), Oxford Acute Severity of Illness Score (OASIS)
Comorbidities	Hypertension, diabetes mellitus, myocardial infarction, congestive heart failure, chronic obstructive pulmonary disease (COPD), chronic kidney disease (CKD)
Medication usage	Vasopressor and diuretic use
Laboratory indicators of first ICU admission	Hemoglobin, white blood cell count (WBC), blood urea nitrogen (BUN), prothrombin time (PT), partial thromboplastin time (PTT), platelet count, serum creatinine, calcium, glucose, serum sodium, potassium
Other variables	Ventilation use