> and were either hospitalized or tested on outpatient basis. This is makes the results / findings questionable, at best. Hospitalized means they (likely) rec

> and were either hospitalized or tested on outpatient basis. This is makes the results / findings questionable, at best. Hospitalized means they (likely) received treatment. Outpatient likely less so. The treatment itself might be a contributing factor to the outcomes. But that's disguised once you mix participants. Why would those doing the study not know this?