title: Pushing the envelope on futility.
authors.forename: D
authors.initials: D
authors.lastname: Teres
authors.forename: P
authors.initials: P
authors.lastname: Pekow
mesh_terms: D016638:Critical Illness / Q000145:classification* / Q000401:mortality; D017052:Hospital Mortality; D006801:Humans; D007362:Intensive Care Units; D018447:Medical Futility; D011336:Probability; D012720:Severity of Illness Index