Question special

I may be misreading, but it seemed that for the conservative group the study designed started low (to not overcorrect) then titrated to the goal range of Sp02. With several negative outcomes being ischemia related that starting at a higher partial pressure then down-titrating would be a potential strategy to remove a potential confounding variable of critical ischemia; but this would also not minimize the oxygen related injury which I suspect was the overarching goal.