External validation of the Revised Cardiac Risk Index and update of its renal variable to predict 30-day risk of major cardiac complications after non-cardiac surgery: rationale and plan for analyses of the VISION study.
Pavel S RoshanovMichael WalshP J DevereauxS Danielle MacNeilNgan N LamAinslie M HildebrandRey R AcedilloMarko MrkobradaClara K ChowVincent W LeeLehana ThabaneAmit X GargPublished in: BMJ open (2017)
ClinicalTrials.gov NCT00512109.