Obesity a predictor of outcomes of COVID‐19 hospitalized patients - A systematic review and meta‐analysis

Publicado: 17-07-2025

   Preeti Malik

MD, MPH. Department of Public Health, Icahn School of Medicine at Mount Sinai, New York, USA.
https://orcid.org/0000-0002-9427-0225

   Urvish Patel

MD, MPH. Department of Public Health, Icahn School of Medicine at Mount Sinai, New York, USA.

   Karan Patel

BS. MS(1), Cooper Medical School of Rowan University, New Jersey, USA

   Mehwish Martin

MBBS. Department of Internal Medicine, Baylor St. Luke's Medical Center, Houston, Texas, USA.

   Chail Shah

MBBS. Department of Internal Medicine, Brooklyn Cancer Care, New York, New York, USA.

   Deep Mehta

MD, MSCR. Department of Clinical Research Program, Icahn School of Medicine at Mount Sinai, New York, USA.

   Faizan Ahmad Malik

MD. Department of Internal Medicine, Texas Tech University Health Sciences Center, Odessa, Texas, USA.

   Ashish Sharma

MD, FACP. Department of Internal Medicine, Yuma Regional Medicine, Yuma, Arizona, USA.

Resumen

Coronavirus disease 2019 (COVID‐19) pandemic is a global health crisis. Very few studies have reported association between obesity and severity of COVID‐19. In this meta‐analysis, we assessed the association of obesity and outcomes in COVID‐ 19 hospitalized patients. Data from observational studies describing the obesity or body mass index and outcomes of COVID‐19 hospitalized patients from December 1, 2019, to August 15, 2020, was extracted following PRISMA guidelines with a consensus of two independent reviewers. Adverse outcomes defined as intensive care units, oxygen saturation less than 90%, invasive mechanical ventilation, severe disease, and in‐hospital mortality. The odds ratio (OR) and 95% confidence interval (95% CI) were obtained and forest plots were created using random‐effects models. A total of 10 studies with 10,233 confirmed COVID‐19 patients were included. The overall prevalence of obesity in our study was 33.9% (3473/10,233). In metaanalysis, COVID‐19 patient with obesity had higher odds of poor outcomes compared with better outcomes with a pooled OR of 1.88 (95% CI: 1.25-2.80; p = 0.002), with 86% heterogeneity between studies (p < 0.00001). Our study suggests a significant association between obesity and COVID‐19 severity and poor outcomes. Our results findings may have important suggestions for the clinical management and future research of obesity and COVID‐19.

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