Primary endpoint would appear to be favorable of patient discharged:

Cumulative proportion of clinical recovery [ Time Frame: 28 days ]
Patients will be considered to have recovered if they attain categories 1, 2, or 3 on the eight-category ordinal scale within 28 days, as follows:

Not hospitalized, no limitations on activities
Not hospitalized, limitation on activities and/or requiring home oxygen
Hospitalized, not requiring supplemental oxygen - no longer requires ongoing medical care
Hospitalized, not requiring supplemental oxygen - requiring ongoing medical care (COVID-19 related or otherwise)
Hospitalized, requiring supplemental oxygen
Hospitalized, on non-invasive ventilation or high flow oxygen devices
Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO)
Death