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KMID : 1140420220310030277
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Journal of Obesity & Metabolic Syndrome
2022 Volume.31 No. 3 p.277 ~ p.281
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Association between Obesity and Length of COVID-19 Hospitalization: Unexpected Insights from the American Heart Association National COVID-19 Registry
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Collins William J.
Chang Andrew Y.
Weng Yingjie
Dahlen Alex
O’Brien Connor G.
Hom Jason
Ahuja Neera
Rodriguez Fatima
Rohatgi Nidhi
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Abstract
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Background: The mechanism for possible association between obesity and poor clinical outcomes from Coronavirus Disease 2019 (COVID-19) remains unclear.
Methods: We analyzed 22,915 adult COVID-19 patients hospitalized from March 2020 to April 2021 to non-intensive care using the American Heart Association National COVID Registry. A multivariable Poisson model adjusted for age, sex, medical history, admission respiratory status, hospitalization characteristics, and laboratory findings was used to calculate length of stay (LOS) as a function of body mass index (BMI). We similarly analyzed 5,327 patients admitted to intensive care for comparison.
Results: Relative to normal BMI subjects, overweight, class I obese, and class II obese patients had approximately half-day reductions in LOS (?0.469 days, P<0.01; ?0.480 days, P<0.01; ?0.578 days, P<0.01, respectively).
Conclusion: The model identified a dose-dependent, inverse relationship between BMI category and LOS for COVID-19, which was not seen when the model was applied to critically ill patients.
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KEYWORD
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Obesity, Hospitalization, Length of stay, COVID-19
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