Covariates
respiratory disorders, malignancies, hypertension
MALIGNANCIES, RESPIRATORY DISORDER, HYPERTENSION, CARDIOMYOPATHY
Potentials confounders were age, sex, number of acute health issues on hospital admission, history of hypertension, cardiomyopathy, malignancies, and use of antibiotics and respiratory treatments during COVID-19. The number of acute health issues on admission was also recorded (whatever their nature or site). History of cardiomyopathy, malignancies and hypertension were recorded on admission from patient medical file and caregiver interviews. Use of antibiotics and pharmacological treatments of respiratory disorders was systematically recorded from hospital prescriptions.