905: POST-INTUBATION PARTIAL PRESSURE OF O2/FRACTION OF INSPIRED O2 AND IN-HOSPITAL MORTALITY IN COVID-19. (15th December 2022) - Baldauf, Claire; Chow, Frances; Warus, Jonathan; Wang, Yuding; Kermgard, Elizabeth; Burner, Elizabeth; Kabbach, Ghazal; Chen, Dafang; Killu, Keith