Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * age ≥18 years * admitted to the intensive care unit * positive covid-19 pcr * mechanical ventilation for ≤ 48 hours * pao2/fio2 ≤300	inclusion criteria: * age ≥18 years * admitted to the intensive care unit * positive covid-19 pcr * mechanical ventilation for ≤ 48 hours * pao2/fio2 ≤300
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - age ≥18 years - admitted to the intensive care unit - positive covid-19 pcr - mechanical ventilation for ≤ 48 hours - pao2/fio2 ≤300	inclusion criteria: - age ≥18 years - admitted to the intensive care unit - positive covid-19 pcr - mechanical ventilation for ≤ 48 hours - pao2/fio2 ≤300