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Association of the Charlson index with risk classification, clinical aspects, and emergency outcomes

Ana Paula Santos de Jesus1,2, Meiry Fernanda Pinto Okuno2, Cassia Regina Vancini Campanharo2

  • 1Universidade Federal do Recôncavo da Bahia, Centro de Ciências da Saúde, Santo Antônio de Jesus, BA, Brazil.

Revista Da Escola De Enfermagem Da U S P
|January 26, 2022
PubMed

Insights

The Charlson comorbidity index effectively predicts patient risk and outcomes in the emergency department. Higher scores correlate with severe conditions, specific diagnostic tests, and adverse events like admission or death.

Area of Science:

  • Emergency Medicine
  • Clinical Epidemiology
  • Health Services Research

Background:

  • The Charlson Comorbidity Index (CCI) is a widely used tool for assessing patient comorbidity burden.
  • Understanding the CCI's association with emergency department (ED) risk classification and patient outcomes is crucial for resource allocation and care management.

Purpose of the Study:

  • To examine the association of the age-adjusted Charlson Comorbidity Index with risk classification categories, clinical aspects, and patient outcomes within the emergency department.

Main Methods:

  • A cross-sectional, analytical study was conducted on 3,624 patient medical records from the emergency department.
  • Charlson index scores greater than 2 indicated a high comorbidity rate (mortality risk).
  • Statistical analyses included t-tests and analysis of variance.

Main Results:

  • Significant differences were observed between CCI scores and risk classification, with higher scores in the white (2.57) and red (2.06) categories.
  • High comorbidity rates were associated with vascular, endocrine, neurological, cardiologic issues, device problems, and head tomography.
  • Patients admitted, transferred, or who died in the ED had significantly higher CCI scores compared to discharged patients.

Conclusions:

  • Elevated comorbidity rates, as indicated by the CCI, are linked to specific risk classifications, presenting complaints, head tomography use, and adverse patient outcomes in the ED.
Abstract

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