The prognostic implication of the SOFA score on acutely admitted medical patients

L Holm1, M Brabrand2

  • 1MD, Department of Surgery, Vejle Hospital.

Acute Medicine
|March 19, 2019
PubMed
Abstract

Insights

The Sequential Organ Failure Assessment (SOFA) score has average ability to predict 30-day mortality and ICU admission in acutely ill medical patients. Performance was unacceptable when the Glasgow Coma Scale was replaced by the Alert, Voice, Pain, Unresponsive (AVPU) scale.

Area of Science:

  • Critical Care Medicine
  • Prognostic Biomarkers
  • Medical Informatics

Background:

  • The Sequential Organ Failure Assessment (SOFA) score is widely used in intensive care units.
  • Its prognostic value in general medical admissions requires further investigation.
  • Accurate prediction of mortality and ICU admission is crucial for patient management.

Purpose of the Study:

  • To evaluate the prognostic implication of the SOFA score in all acutely admitted medical patients.
  • To assess the SOFA score's predictive accuracy for 30-day mortality.
  • To determine the SOFA score's ability to predict intensive care unit (ICU) admission.

Main Methods:

  • Area Under the Receiver Operating Characteristic curve (AUROC) was used to calculate discriminatory power.
  • Calibration was assessed using the Hosmer-Lemeshow goodness-of-fit test.
  • The study analyzed data from acutely admitted medical patients.

Main Results:

  • The SOFA score demonstrated an AUROC of 0.68 for 30-day mortality (95% CI, 0.64 to 0.71).
  • The AUROC for ICU admission was 0.71 (95% CI, 0.66 to 0.76).
  • Goodness-of-fit indicated acceptable calibration for both outcomes.

Conclusions:

  • The SOFA score exhibits average predictive ability for 30-day mortality and ICU admission in this patient cohort.
  • Calibration of the SOFA score was found to be acceptable.
  • Substituting the Glasgow Coma Scale (GCS) with the Alert, Voice, Pain, Unresponsive (AVPU) scale resulted in unacceptable SOFA score performance.

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