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The association between body mass index class and coronavirus disease 2019 outcomes

Abdallah Al-Salameh1,2, Jean-Philippe Lanoix3, Youssef Bennis4

  • 1Department of Endocrinology, Diabetes Mellitus and Nutrition, Amiens University Hospital, Amiens, France. al-salameh.abdallah@chu-amiens.fr.

International Journal of Obesity (2005)
|November 22, 2020
PubMed

Insights

Overweight and obesity increase the risk of intensive care unit (ICU) admission for patients with coronavirus disease 2019 (COVID-19). Obesity is also linked to a higher risk of death from COVID-19.

Area of Science:

  • Medical Research
  • Epidemiology
  • Public Health

Background:

  • Growing evidence links obesity to increased severity of coronavirus disease 2019 (COVID-19).
  • Understanding the impact of body mass index (BMI) categories on COVID-19 outcomes is crucial for patient management.

Purpose of the Study:

  • To investigate the association between different body mass index (BMI) categories and critical forms of COVID-19.
  • To determine if overweight and obesity correlate with intensive care unit (ICU) admission or death in COVID-19 patients.

Main Methods:

  • Retrospective analysis of adult patients hospitalized with confirmed COVID-19 at Amiens University Hospital.
  • Logistic regression analysis to assess the association between BMI categories and a composite endpoint of ICU admission or death.

Main Results:

  • Of 329 patients with available BMI data, 37.7% were obese and 27.4% were overweight.
  • Both overweight and obesity were associated with increased odds of ICU admission (ORs 3.16 and 3.05, respectively).
  • Obesity, but not overweight, was significantly associated with a higher risk of death after adjustment for other factors.

Conclusions:

  • Overweight status, in addition to obesity, is linked to a higher likelihood of ICU admission for COVID-19 patients.
  • Obesity is a significant risk factor for mortality in COVID-19 patients.
  • BMI should be considered in assessing the prognosis of COVID-19 patients.
Abstract

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