Aggregation of risk factors for COVID-19 mortality in Vila Velha, Espírito Santo, Brazil
DOI:
https://doi.org/10.23925/1984-4840.2025v27a20Keywords:
Death, Mortality, COVID-19, Risk Factors, ComorbidityAbstract
Introduction: COVID-19 presents higher lethality in individuals with comorbidities. However, the aggregation of some of these conditions and their association with increased risk of death has not yet been evaluated, with a view to guiding prevention strategies and clinical management. Objective: To analyze the aggregation of four comorbidities
(cardiopathies, pneumopathies, diabetes, and obesity) in COVID-19 lethality. Method: A cross-sectional study including 390,454 COVID-19 patients residing in Vila Velha (ES), who died from COVID-19 between April 2020 and May 2022. Aggregation was analyzed by comparing the observed prevalence with the expected prevalence across various groupings. Poisson regression was used to identify the risk of death, and analyses were conducted using Stata 16.0. Results: The lethality rate was 0.7%, and prevalence was higher among men, individuals of Yellow/Indigenous race, the elderly, and illiterate individuals. The risk of death was 313% higher in obese patients (HR 4.13; 95%CI 3.39–5.03), 126% higher in diabetics (HR 2.26; 95%CI 1.98–2.58), 90% higher in those with cardiopathies (HR 1.90; 95%CI 1.68–2.15), and 85% higher in those with pneumopathies (HR 1.85; 95%CI 1.49–2.31). The aggregation of two, three, or four comorbidities increased disease lethality. Conclusion: Obesity, diabetes, cardiopathies, and pneumopathies—whether isolated or combined—increase COVID-19 lethality.
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