Prevalence of Comorbid Asthma and Related Outcomes in COVID-19: A Systematic Review and Meta-Analysis
The impact of asthma on coronavirus disease 2019 (COVID-19) remains largely unknown. To investigate the asthma prevalence among patients with COVID-19 and compare outcomes between patients with and without asthma. Asthma is not associated with higher COVID-19 severity or worse prognosis. No significant difference in asthma prevalence was found between hospitalized and nonhospitalized patients. Patients with asthma are found to have a lower risk of death compared with patients without asthma.
