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Comorbidities predict 30-day hospital mortality of older adults with COVID-19

Henrique Pott Junior1, Marcia Regina Cominetti2

  • 1Department of Medicine, Federal University of São Carlos (UFSCar), São Carlos, Brazil.

Geriatric Nursing (New York, N.Y.)
|July 13, 2021
PubMed

Insights

Comorbidities, or existing health conditions, significantly predict mortality risk in older COVID-19 patients. The Charlson Comorbidity Index (CCI) score is a key determinant of short-term survival, guiding better clinical decisions.

Area of Science:

  • Geriatric Medicine
  • Infectious Diseases
  • Epidemiology

Background:

  • COVID-19 poses a significant threat to older adults.
  • The role of comorbidities in predicting COVID-19 outcomes requires further elucidation.
  • Chronological age alone may not fully capture the risk profile of elderly patients.

Purpose of the Study:

  • To evaluate the predictive value of comorbidities for disease severity and mortality in older adults with COVID-19.
  • To assess the Charlson Comorbidity Index (CCI) as a predictor of short-term survival.
  • To inform geriatric nursing and clinical decision-making for hospitalized COVID-19 patients.

Main Methods:

  • A cohort of 147 older adults with COVID-19 was analyzed.
  • Patients were stratified into three groups based on their CCI score (≤3, 4-5, ≥6).
  • Cox regression analysis was employed to assess mortality risk, adjusting for sex, National Early Warning Score (NEWS) 2, and intensive care unit admission.

Main Results:

  • Higher CCI scores (groups 2 and 3) were associated with a significantly higher 30-day mortality rate compared to the lowest CCI group (group 1).
  • The CCI score remained a significant predictor of mortality risk even after adjusting for other clinical factors.
  • Chronic pathologies, as measured by CCI, were identified as key determinants of short-term survival in this cohort.

Conclusions:

  • Comorbidities are critical determinants of short-term survival in older COVID-19 patients.
  • The CCI score is a valuable tool for predicting mortality risk and should be considered in clinical decision-making.
  • Geriatric nursing and healthcare providers should prioritize comorbidity assessment for managing COVID-19 patients.

Keywords:
AgedCOVID-19ComorbidityOlder adultsSARS-CoV-2

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