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August 19, 2025PLoS ONEOpen Access

Body mass index and critical care outcomes in hospitalized COVID-19 patients—A national cohort study

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Retrospective cohort study reveals obesity worsens outcomes in hospitalized COVID-19 patients, indicating increased ICU needs.

Obesity significantly increases the risk of adverse clinical outcomes among hospitalized COVID-19 patients, leading to higher mortality rates.
Patients with obesity had substantially higher rates of mechanical ventilation (7.8% vs. 4.6%) and tracheostomy placement (1.2% vs. 0.6%), indicating severe complications.
The retrospective cohort study utilized national data from 149 hospitals, focusing on adults hospitalized with COVID-19 from March to December 2022.
These findings underline the critical role of body mass index in predicting severe outcomes during COVID-19 hospitalizations.

BONILLA et al. (2025) studied this question.

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