Performance of administrative database frailty instruments in predicting clinical outcomes and cost for patients undergoing transcatheter aortic valve implantation: a historical cohort study
Li Z, Wijeysundera HC, Bagur R, Cheng D, Martin J, Kiaii B, Qiu F, Fang J, John-Baptiste A. Can J Anaesth. 2023; 70(1):116-29. Epub 2022 Dec 28.