Analysis of Cardiovascular Tissue Components for the Diagnosis of Coronary Vulnerable Plaque from Intravascular Ultrasound Images

Table 2

IEA and IRA analyses of the manual tracing in terms of all validation indexes including A, VP, MLD, and MVD.

		A	VP	MLD	MVD
IEA	AD	43.11 ± 525.21	2.284 ± 5.68	0.91 ± 3.68	2.44 ± 3.64
	r	0.981	0.993	0.971	0.975
IRA	AD	38.77 ± 584.86	1.54 ± 6.11	1.02 ± 3.90	2.14 ± 3.69
	r	0.977	0.991	0.967	0.974

Data: mean ± standard deviation, IEA: interobserver agreement, IRA: intraobserver agreement, AD: average difference, r: correlation coefficient, A: area, VP: vessel perimeter, MLD: maximum lumen diameter, and MVD: maximum vessel diameter. .