Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * severe covid-19: adult patients admitted to the hospital through the emergency department (ed) requiring oxygen therapy (any level) to maintain oxygen saturation (sao2) \> 90% * covid positive by polymerase chain reaction (pcr) on hospital admission * hospitalized patients aged 18 years or greater	inclusion criteria: * severe covid-19: adult patients admitted to the hospital through the emergency department (ed) requiring oxygen therapy (any level) to maintain oxygen saturation (sao2) \> 90% * covid positive by polymerase chain reaction (pcr) on hospital admission * hospitalized patients aged 18 years or greater
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - severe covid-19: adult patients admitted to the hospital through the emergency department (ed) requiring oxygen therapy (any level) to maintain oxygen saturation (sao2) > 90% - covid positive by polymerase chain reaction (pcr) on hospital admission - hospitalized patients aged 18 years or greater	inclusion criteria: - severe covid-19: adult patients admitted to the hospital through the emergency department (ed) requiring oxygen therapy (any level) to maintain oxygen saturation (sao2) > 90% - covid positive by polymerase chain reaction (pcr) on hospital admission - hospitalized patients aged 18 years or greater