title: Improving prognostic assessment of patients with advanced heart failure using ventilatory efficiency.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Bard
authors.forename: Brenda W
authors.initials: BW
authors.lastname: Gillespie
authors.forename: David C
authors.initials: DC
authors.lastname: Lange
authors.forename: John M
authors.initials: JM
authors.lastname: Nicklas
mesh_terms: D000328:Adult; D002245:Carbon Dioxide / Q000097:blood*; D015331:Cohort Studies; D005080:Exercise Test; D005260:Female; D005500:Follow-Up Studies; D006333:Heart Failure / Q000175:diagnosis* / Q000401:mortality / Q000503:physiopathology*; D016027:Heart Transplantation / Q000401:mortality / Q000502:physiology*; D006353:Heart-Assist Devices; D006439:Hemodynamics / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood*; D011183:Postoperative Complications / Q000175:diagnosis / Q000401:mortality / Q000503:physiopathology; D011379:Prognosis; D016016:Proportional Hazards Models; D011446:Prospective Studies; D012372:ROC Curve; D012131:Respiratory Insufficiency / Q000175:diagnosis* / Q000401:mortality / Q000503:physiopathology*
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen