Lenght of hospitalization, calculated as the interval between randomization and discharge from the hospital without the need for supplemental oxygen Durata del ricovero in ospedale, calcolata come intervallo tra la randomizzazione e la dimissione dall’ospedale senza necessità di ossigeno supplementare

Lenght of hospitalization, calculated as the interval between randomization and discharge from the hospital without the need for supplemental oxygen Durata del ricovero in ospedale, calcolata come intervallo tra la randomizzazione e la dimissione dall’ospedale senza necessità di ossigeno supplementare