Table 3:

Predictor Variables

Static Parameters  (see Table 2)

Vital Signs  Routine (blood pressure, heart rate, pulse oximetry, respiratory rate, temperature)  Invasive (pulmonary artery catheter, cardiac output  Cardiac rhythm  Supplemental oxygen  Circulatory support (e.g., intra-aortic balloon pump)

Fluid Intake  Enteral fluids  Intravenous fluids (colloid/crystalloid)  Blood product transfusion Fluid Output  Urine output  Blood loss  Drains/tubes output (e.g., chest tubes)

Continuous intravenous medications dosage  Vasoactive/inotropic medications  Diuretics  Sedation/analgesia

Intermittent medications dosage  Enteral  Intravenous  Inhaled

Mechanical Ventilation  Intubation/Extubation  Ventilator settings and pressures

Laboratory Values  Routine (chemistry, blood count)  Respiratory (arterial blood gas)  Specialized (e.g., serum drug levels)