1Department of Cardiology, Academic Medical Center,University of Amsterdam,Amsterdam,The Netherlands;2Department of Internal Medicine, Cardiology Division,University of Campinas (UNICAMP),Campinas,Brazil;3Thoraxcenter,Erasmus University Medical Center,Rotterdam,The Netherlands;4Cardialysis Clinical Trials Manageme...
The variability in SBP in both the ankle and arm is similar, and the ABI shows fair repeatability, with a 95% CI of ±16% for a single measurement, which improves to ±10 % when taken as the mean of four measurements (70). Based upon these test-retest characteristics, the ABI is ge...