Dexmedetomidine does not improve mortality.
Yes, I agree with the result. Dex is a sedation drug, not a medication to treat the disease!
What puzzled me is why they put the primary outcome on mortality at 90 days.
Early Sedation with Dexmedetomidine in Critically Ill Patients
https://www.nejm.org/doi/full/10.1056/NEJMoa1904710