Study: Patient income does not predict COVID-19 disability, mortality Jan 31, 2022 | coronavirus, Hospitals, Top Stories Income is not a predictor for mortality in those hospitalized for COVID-19, according to a recent study released by Northwestern Medicine.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.