Different Methods for Measurements and Estimation of Pulse Wave Velocity are not Interchangeable

Artery Research

Table 4 Accuracy, precision, concordance correlation coefficient (CCC), total deviation index (TDI), and coverage probability (CP)

Accuracy		Precision	CCC	TDI	CP	LoA 95% coverage interval	Bias
PWV-SphygmoCor vs. ePWV
0.830		0.471	0.392	45.524	0.322	− 3.22 to 4.27	− 0.52
PWV-SphygmoCor vs. PWV Arteriograph
	0.989	0.439	0.434	56.417	0.279	− 4.08 to 4.70	0.31
PWV-SphygmoCor vs. PWV Mobil-O-Graph
0.707		0.631	0.447	63.430	0.213	− 1.69 to 4.89	1.60

CCC concordance correlation coefficient, TDI total deviation index, CP coverage probability

ISSN: 1876-4401