2208. Development and Evaluation of Predictive Models for Estimating Infection Susceptibility to Empiric Treatment Regimens Among Patients with Pneumonia in Intensive Care Units. - Dewart, Courtney M; Hade, Erinn; Gao, Yuan; Rahman, Protiva; Lustberg, Mark; Pancholi, Preeti; Stevenson, Kurt; Hebert, Courtney (Open Forum Infectious Diseases, 2019)