Created at	Source	Raw Value	Validated value
Jan. 29, 2022, 11:30 a.m.	usa	Change in oxygenation	Change in oxygenation
Oct. 26, 2020, 11:31 p.m.	usa	Median change in oxygenation;Mean change in oxygenation	Median change in oxygenation;Mean change in oxygenation