891: ARE NONCONVENTIONAL VENTILATORS ASSOCIATED WITH MORTALITY IN COVID ARDS? A MULTICENTER STUDY. (15th December 2022) - Gondhalekar, Vikram; Gilman, Sarah; Gandomi, Amir; Rolston, Daniel; Cohen, Allison; Li, Timmy; Nishikimi, Mitsuaki; Hajizadeh, Negin; Hasan, Zubair; Narasimhan, Mangala; Becker, Lance; Jafari, Daniel