Early Hypoxemia and Hypocapnia Burdens and 28-Day Mortality in ICU Patients With Cardiac Arrest: A Retrospective Cohort Study From the MIMIC-IV Database.
Clinical takeaway Early hypoxemia and hypocapnia burdens were associated with 28-day mortality among cardiac-arrest patients surviving the first ICU day. Nonlinear and categorical findings complicate interpretation and warrant prospective validation.