Created at	Source	Raw Value	Validated value
Sept. 29, 2021, 8:30 a.m.	usa	inclusion criteria: - positive sars-cov-2 rt-pcr - acute respiratory failure requiring non-invasive respiratory support (niv or high flow oxygen) - pao2/fio2 <200	inclusion criteria: - positive sars-cov-2 rt-pcr - acute respiratory failure requiring non-invasive respiratory support (niv or high flow oxygen) - pao2/fio2 <200