APACHE II Score Calculator
APACHE II Simplified
Simplified APACHE II score based on key physiological variables
Formula
APACHE II = Age Points + Acute Physiology Score (12 variables) + Chronic Health Points
Frequently Asked Questions
What is the APACHE II score?
APACHE II (Acute Physiology and Chronic Health Evaluation II) is a severity-of-disease scoring system used in ICUs to predict hospital mortality using physiological variables, age, and chronic health status.
What is a normal APACHE II score?
Scores range from 0-71. Scores 0-9 indicate low severity with about 4-8% mortality. Scores above 25 indicate very high severity with mortality exceeding 50%.
When is APACHE II used?
APACHE II is calculated within 24 hours of ICU admission using the worst values to assess illness severity and guide treatment decisions.
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