Chronic respiratory diseases are predictors of severe outcome in COVID-19 hospitalised patients: a nationwide study.
Guillaume BeltramoJonathan CottenetAnne-Sophie MarietMarjolaine GeorgesLionel PirothPascale Tubert-BitterPhilippe BonniaudCatherine QuantinPublished in: The European respiratory journal (2021)
Patients with prior respiratory diseases were globally less likely to be hospitalised for COVID-19 than for influenza, but were at higher risk of developing severe COVID-19 and had a higher mortality rate compared with influenza patients and patients without a history of respiratory illness.