Critical Care

SAPS II Predicted Hospital Mortality calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age at ICU admission (years)

Worst heart rate in the first 24 hours (beats/min)

Worst systolic BP in the first 24 hours (mm Hg)

Highest temperature in the first 24 hours (°C)

Worst oxygenation in the first 24 hours

Total urine output in the first 24 hours (L/day)

Highest serum urea in the first 24 hours (mmol/L)

Worst WBC in the first 24 hours (×10⁹/L)

Worst serum potassium in the first 24 hours (mmol/L)

Worst serum sodium in the first 24 hours (mmol/L)

Lowest serum bicarbonate in the first 24 hours (mmol/L)

Highest total bilirubin in the first 24 hours (mg/dL)

ICU admission type

Specified chronic disease present at ICU admission

Lowest Glasgow Coma Scale in the first 24 hours (points) (points)

Browse inputs freely. Sign in to calculate with your values.

Age at ICU admission (years)
Worst heart rate in the first 24 hours (beats/min)
Worst systolic BP in the first 24 hours (mm Hg)
Highest temperature in the first 24 hours (°C)
Worst oxygenation in the first 24 hours
Total urine output in the first 24 hours (L/day)
Highest serum urea in the first 24 hours (mmol/L)
Worst WBC in the first 24 hours (×10⁹/L)
Worst serum potassium in the first 24 hours (mmol/L)
Worst serum sodium in the first 24 hours (mmol/L)
Lowest serum bicarbonate in the first 24 hours (mmol/L)
Highest total bilirubin in the first 24 hours (mg/dL)
ICU admission type
Specified chronic disease present at ICU admission
Lowest Glasgow Coma Scale in the first 24 hours (points) (points)Accepted range: 3 to 15

Le Gall JR et al. A new Simplified Acute Physiology Score (SAPS II). JAMA. DOI: 10.1001/jama.1993.03510350069035. PMID: 8254858 (1993)