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SAPS II

SAPS II: calculated with the published clinical method, with result interpretation. A reference tool that does not replace a doctor's advice.

ℹ Reference calculation based on the published method. It does not replace a clinical examination or a doctor's decision.

SAPS II

Ageyears
Heart ratebpm
Systolic BPmmHg
Highest temperature°C
Mechanical ventilation or CPAP (1 = yes)
PaO₂mmHg
FiO₂%
Urine outputL/day
Ureammol/L
White blood cells×10⁹/L
Potassiummmol/L
Sodiummmol/L
Bicarbonatemmol/L
Bilirubinµmol/L
Glasgow Coma Scalepoints
Chronic disease (0 none, 1 metastatic cancer, 2 hematologic malignancy, 3 AIDS)
Admission type (0 scheduled surgical, 1 medical, 2 unscheduled surgical)
SAPS II score
18
Worst values in the first 24 h in ICUSAPS II: calculated with the published clinical method, with result interpretation. A reference tool that does not replace a doctor's advice.
Predicted in-hospital mortality
2.9%

More about: SAPS II

What it calculates

The “SAPS II” calculator computes SAPS II score from 17 parameters: age (years), heart rate (bpm), systolic bp (mmHg), highest temperature (°C), mechanical ventilation or cpap (1 = yes), pao₂ (mmHg), fio₂ (%), urine output (L/day), urea (mmol/L), white blood cells (×10⁹/L), potassium (mmol/L), sodium (mmol/L), bicarbonate (mmol/L), bilirubin (µmol/L), glasgow coma scale (points), chronic disease (0 none, 1 metastatic cancer, 2 hematologic malignancy, 3 aids), admission type (0 scheduled surgical, 1 medical, 2 unscheduled surgical).

Used by professionals and patients to assess health metrics, dosages, and risks.

Example calculation

With parameters Age = 60 years, Heart rate = 90 bpm, Systolic BP = 120 mmHg, Highest temperature = 37 °C, Mechanical ventilation or CPAP (1 = yes) = 0, PaO₂ = 90 mmHg, FiO₂ = 21 %, Urine output = 1.5 L/day, Urea = 6 mmol/L, White blood cells = 10 ×10⁹/L, Potassium = 4 mmol/L, Sodium = 140 mmol/L, Bicarbonate = 24 mmol/L, Bilirubin = 15 µmol/L, Glasgow Coma Scale = 15 points, Chronic disease (0 none, 1 metastatic cancer, 2 hematologic malignancy, 3 AIDS) = 0, Admission type (0 scheduled surgical, 1 medical, 2 unscheduled surgical) = 1 the result is 18 (Worst values in the first 24 h in ICU).

How to use

  1. Enter age, heart rate, systolic bp, highest temperature, mechanical ventilation or cpap (1 = yes), pao₂, fio₂, urine output, urea, white blood cells, potassium, sodium, bicarbonate, bilirubin, glasgow coma scale, chronic disease (0 none, 1 metastatic cancer, 2 hematologic malignancy, 3 aids) and admission type (0 scheduled surgical, 1 medical, 2 unscheduled surgical) — each field above is adjustable with a slider.
  2. SAPS II score is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is BMI calculated?
BMI = weight (kg) / height (m)². Example: 70 kg / (1.75 m)² = 22.9. The WHO normal range is 18.5–24.9; below that is underweight, 25–29.9 is overweight, and 30+ is obese.
Is BMI accurate for everyone?
No. BMI does not distinguish muscle from fat, so athletes may show a high BMI with low body fat. It is also less reliable for teenagers, pregnant people, older adults, and very tall or short individuals.
What are the BMI categories?
Underweight: below 18.5. Normal: 18.5–24.9. Overweight: 25–29.9. Obese class I: 30–34.9; class II: 35–39.9; class III: 40+.
What is a better measure than BMI?
Body fat percentage, waist-to-height ratio (aim for under 0.5), and waist circumference give a clearer picture of health than BMI alone.

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