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health.apache-ii-score Calculator
Calculates the APACHE II score from 12 physiological variables plus age and chronic health points, and converts it to predicted ICU mortality. APACHE II scores above 25 carry >50% predicted ICU mortality — used to stratify trial populations and benchmark ICU performance.
Inputs
Age
Age in completed years. Many health and fitness formulas adjust for age.
Heart Rate
Beats per minute. Normal resting: 60–100. During vigorous exercise: 150–185+ depending on fitness and age.
Mean Arterial Pressure
Reference formula or conversion factor shown for context.
Temperature C
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Gcs Score
Reference formula or conversion factor shown for context.
Results
APACHE II score
A numerical rating from the scoring model in use.
predicted ICU mortality
Reference formula or conversion factor shown for context.