Table 4. Agreement between reference and 3D multi-contrast imaging in identifying plaque components.

3D	Reference
	LRNC			CA			IPH
	Presence	Absence		Presence	Absence		Presence	Absence
Presence†	73.08 (19/26)	7.70 (2/26)		38.46 (10/26)	3.85 (1/26)		34.62 (9/26)	0 (0/26)
Absence†	3.85 (1/26)	15.38 (4/26)		11.54 (3/26)	46.15 (12/26)		0 (0/26)	65.38 (17/26)
Cohen κ (95% CI)	0.66 (0.30–1.00)			0.69 (0.42–0.97)			1.00 (1.00–1.00)

^†Data are percentages, with numbers used to calculate the percentages in parentheses. LRNC, lipid-rich necrotic core; CA, calcification; IPH, intraplaque hemorrhage.