Table 3 Narrative synthesis tabulation of candidate risk factor theme and subtheme clusters

Patient characteristics

Baseline demographics

Age

Gender

Obesity

Emergent/surgical status

Presenting diagnosis

Etiology

Cirrhosis

Liver dysfunction

Gastrointestinal bleed

Ileus

Sepsis/infections

White blood cell count

Abdominal surgery

Pancreatitis

Amylase level

Calcium level

C-reactive protein level

Albumin

Disease severity

APACHE-II score

SOFA score

Glasgow Coma Scale score

Revised trauma score

Injury severity score

Charlson comorbidity score

Ranson score

Glasgow-Imrie score

Systemic physiology

Shock/hypotension

Mean arterial pressure

Systolic blood pressure

Shock

Hypotension

Vasopressor use

Capillary leak index

Central venous pressure

GAP_CO2

Urine output

Cardiac index

Hematocrit

Hemoglobin

Metabolic derangement/organ failure

Base deficit

Blood glucose

International normalized ratio

Hypothermia

Acidosis

Serum creatinine

Respiratory status/failure

Respiratory failure

Acute respiratory distress syndrome

Mechanical ventilation

Positive end-expiratory pressure

Peak airway pressure

Respiratory rate

Fluid resuscitation

Crystalloid resuscitation

Pre-ICU crystalloid

Pre-hospital crystalloid

Emergency department fluid

24-hour fluid balance

Fluid balance

Fluid resuscitation

Fluid collections

Non-crystalloid resuscitation

Poly-transfusion

Packed red blood cell units

Crystalloid: packed red blood cell ratio