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Related Experiment Videos

Patient outcome and intensive care resource allocation using APACHE II

S C Lim1, A C Fok, Y Y Ong

  • 1Department of Endocrinology, Singapore General Hospital, Singapore.

Singapore Medical Journal
|October 1, 1996
PubMed
Summary

The APACHE II score effectively predicts patient outcomes in the Medical Intensive Care Unit (MICU). This scoring system can guide critical care resource allocation when ICU beds are limited, prioritizing patients most likely to benefit.

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Area of Science:

  • Critical Care Medicine
  • Health Services Research

Background:

  • Objective criteria are needed for Medical Intensive Care Unit (MICU) resource allocation.
  • The APACHE II score is a potential tool for assessing patient acuity.

Purpose of the Study:

  • To develop objective criteria for critical care resource allocation.
  • To evaluate the predictive value of the APACHE II score for patient outcomes in the MICU.

Main Methods:

  • Prospective study of 70 consecutive MICU admissions.
  • APACHE II scoring and patient outcome tracking (recovery or mortality).
  • Analysis of APACHE II scores in relation to patient outcomes and demographics (sex, age).

Main Results:

  • Mean APACHE II scores differed significantly between survivors (12.96) and non-survivors (28.52) (p < 0.001).

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  • Specific APACHE II score ranges correlated with recovery (≤21) and mortality (≥23).
  • Males had higher mortality (47%) and higher mean APACHE II scores (20.6) than females (8%, 13.6), partly explaining outcome disparities.

    • Conclusions:

    • The APACHE II score has significant predictive value for MICU patient outcomes.
    • APACHE II scoring can aid in allocating limited ICU beds to patients most likely to benefit.
    • Sex-based differences in APACHE II scores contribute to outcome variations.