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Related Experiment Videos

Intra-observer variability in APACHE II scoring.

K H Polderman1, H M Christiaans, J P Wester

  • 1Department of Intensive Care, Vrije Universiteit Medical Centre, PO Box 7057, 1007 MB Amsterdam, The Netherlands. k.polderman@tip.nl

Intensive Care Medicine
|October 31, 2001
PubMed
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The APACHE II score, widely used in intensive care units, shows approximately 15% intra-observer variability. This suggests an inherent score variability, impacting clinical comparisons and interpretations.

Area of Science:

  • Critical Care Medicine
  • Medical Informatics
  • Health Services Research

Background:

  • The APACHE II score is a globally recognized scoring system for intensive care units (ICUs).
  • Limited research exists on the reliability and variability of the APACHE II score.
  • Case-mix differences can complicate the interpretation of ICU outcomes and comparisons.

Purpose of the Study:

  • To investigate the intra-observer variability of the APACHE II scoring system.
  • To assess if intra-observer variability indicates inherent score variability.
  • To provide insights into the reliability of APACHE II scores in clinical practice.

Main Methods:

  • Fourteen physicians reassessed APACHE II scores for 11 ICU patients.
  • A time interval of 4 months (range 3.5-4.5) separated the two assessments.

Related Experiment Videos

  • Intra-observer variability was calculated based on the differences in scores.

    • Main Results:

    • Intra-observer variability in APACHE II scoring was found to be approximately 15%.
    • This variability is consistent with previously observed inter-observer variability.
    • Findings suggest a consistent inherent variability in the APACHE II scoring system.

    Conclusions:

    • The APACHE II scoring system exhibits approximately 15% inherent variability.
    • This variability may affect the comparability and interpretation of patient outcomes across different ICUs.
    • Further research into score reliability is warranted for accurate clinical decision-making.