Process / pipelineClinical scoring

APACHE II Score

The Acute Physiology and Chronic Health Evaluation (APACHE) II score, introduced by Knaus et al. in 1985, is a 71-point severity of illness classification system for critically ill patients. It combines acute physiological parameters, age, and chronic health status to predict intensive care unit (ICU) mortality, facilitating patient risk stratification and research standardization.

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Sources

  1. Knaus, W. A., Draper, E. A., Wagner, D. P., & Zimmerman, J. E. (1985). APACHE II: a severity of disease classification system. Critical Care Medicine, 13(10), 818-829. DOI: 10.1097/00003246-198510000-00009
  2. Zimmerman, J. E., Kramer, A. A., McNair, D. S., & Malila, F. M. (1996). Variations in resource utilization among intensive care units in the United States. Critical Care Medicine, 24(8), 1261-1268. DOI: 10.1097/00003246-199608000-00001

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Referenced by

ScholarGateAPACHE II Score (Acute Physiology and Chronic Health Evaluation II). Retrieved 2026-06-04 from https://scholargate.app/en/clinical-assessment/apache-ii-score