ArticleBMJ open respiratory research2021
Association of body mass index with morbidity in patients hospitalised with COVID-19.
Article in BMJ open respiratory research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Association of Obesity With COVID-19 Severity and Mortality: An Updated Systemic Review, Meta-Analysis, and Meta-Regression.Frontiers in endocrinology · 2022Pooled it
- Disease entity impacts muscle wasting in the ICU with COVID-19 patients losing muscle nearly twice as fast.Scientific reports · 2025Article
- Risk factors for intensive care unit admission among COVID-19 patients in the West Bank, Palestine: a retrospective cohort study.Frontiers in medicine · 2025Article
- Pre-admission ambient air pollution and blood soot particles predict hospitalisation outcomes in COVID-19 patients.The European respiratory journal · 2023Article
- Body mass index and clinical outcome of severe COVID-19 patients with acute hypoxic respiratory failure: Unravelling the "obesity paradox" phenomenon.Clinical nutrition ESPEN · 2022Article
- Reviving the mutual impact of SARS-COV-2 and obesity on patients: From morbidity to mortality.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022Review
- Comparing body mass index and obesity-related comorbidities as predictors in hospitalized COVID-19 patients.Clinical obesity · 2022Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
purposeTo evaluate the association between body mass index (BMI) and clinical outcomes other than death in patients hospitalised and intubated with COVID-19.
methodsThis is a single-centre cohort study of adults with COVID-19 admitted to New York Presbyterian Hospital-Weill Cornell Medicine from 3 March 2020 through 15 May 2020. Baseline and outcome variables, as well as lab and ventilatory parameters, were generated for the admitted and intubated cohorts after stratifying by BMI category. Linear regression models were used for continuous, and logistic regression models were used for categorical outcomes.
resultsThe study included 1337 admitted patients with a subset of 407 intubated patients. Among admitted patients, hospital length of stay (LOS) and home discharge was not significantly different across BMI categories independent of demographic characteristics and comorbidities. In the intubated cohort, there was no difference in in-hospital events and treatments, including renal replacement therapy, neuromuscular blockade and prone positioning. Ventilatory ratio was higher with increasing BMI on days 1, 3 and 7. There was no significant difference in ventilator free days (VFD) at 28 or 60 days, need for tracheostomy, hospital LOS, and discharge disposition based on BMI in the intubated cohort after adjustment.
conclusionsIn our COVID-19 population, there was no association between obesity and morbidity outcomes, such as hospital LOS, home discharge or VFD. Further research is needed to clarify the mechanisms underlying the reported effects of BMI on outcomes, which may be population dependent.
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