6/12/2023 0 Comments Vicorder Manual![]() Bland–Altman plots indicated that 90% of the cfPWV measurements using the Vicorder and 93% of the measurements using the SphygmoCor fell within two s.d.s of the mean difference. Limits of Agreement using the Bland–Altman method were −1.07 to 1.09 m s −1 and −1.79 to 1.85 m s −1 for the Vicorder and the SphygmoCor, respectively. ![]() ![]() Measurements of cfPWV were highly reproducible using both devices (ICC=0.94 and 0.92, for the Vicorder and SphygmoCor, respectively). The mean difference (s.d.) between repeated measurements was 0.03☐.92 m s −1, P=0.85 and 0.01☐.54 m s −1, P=0.91 for the SphygmoCor and Vicorder, respectively. The latter was also used to compare between the two devices. Intra-rater reproducibility for each device was assessed using intraclass correlation coefficients (ICC) and Bland–Altman method. Some 30 patients with PAD (23 men, mean age 64.9☗.5) underwent cfPWV measurement twice by a single investigator during one visit using the Vicorder and the SphygmoCor according to the manufacturer’s instructions. ![]() To assess the reliability and reproducibility of the Vicorder’s carotid–femoral pulse wave velocity (cfPWV) measurements in patients with peripheral arterial disease (PAD) and to compare between cfPWV measurements obtained using the Vicorder with those obtained using the SphygmoCor device as a reference.
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