Critical Care

APACHE II Score (ICU Mortality)

Estimates ICU illness severity and in-hospital mortality risk.

Parameters

APACHE II Score (ICU Mortality) Result

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FormulaAPACHE II Score = Acute Physiology Score (12 variables + [15 - GCS]) + Age Points (0-6) + Chronic Health Points (0-5)

Clinical Pearls

The benchmark scoring system used globally in clinical trials, ICU quality assurance, and patient prognosis stratification upon intensive care admission.

Limitations

Calculated using the worst values recorded during the initial 24 hours of ICU admission; cannot be used to assess instantaneous minute-to-minute changes.