Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion criteria: * informed consent for participation in the study * virological diagnosis of sars-cov-2 infection (real-time pcr) * hospitalized due to clinical/instrumental diagnosis of pneumonia * oxygen saturation at rest in ambient air ≤94% * pao2/fio2 ratio of 350 to 200	inclusion criteria: * informed consent for participation in the study * virological diagnosis of sars-cov-2 infection (real-time pcr) * hospitalized due to clinical/instrumental diagnosis of pneumonia * oxygen saturation at rest in ambient air ≤94% * pao2/fio2 ratio of 350 to 200
Oct. 26, 2020, 11:31 p.m.	usa	inclusion criteria: - informed consent for participation in the study - virological diagnosis of sars-cov-2 infection (real-time pcr) - hospitalized due to clinical/instrumental diagnosis of pneumonia - oxygen saturation at rest in ambient air ≤94% - pao2/fio2 ratio of 350 to 200	inclusion criteria: - informed consent for participation in the study - virological diagnosis of sars-cov-2 infection (real-time pcr) - hospitalized due to clinical/instrumental diagnosis of pneumonia - oxygen saturation at rest in ambient air ≤94% - pao2/fio2 ratio of 350 to 200