Table 3:

Comparison of carotid plaque morphologic and compositional characteristics between patients with and without ipsilateral ACI lesions

	Mean ± SD. (No.) (%) or Median (25–75 Percentiles)		P Value^{^a}
	Patients with ACI (n = 40)	Patients without ACI (n = 69)	P Value^{^a}
Mean lumen area (mm²)	35.5 ± 13.5	36.5 ± 12.4	.555
Mean wall area (mm²)	48.3 ± 14.9	41.5 ± 11.1	.028
Mean total vessel area (mm²)	83.8 ± 20.6	78.0 ± 18.6	.172
Mean wall thickness (mm)	1.9 ± 0.6	1.6 ± 0.4	.010
Mean normalized wall index (%)	57.9 ± 11.3	53.6 ± 9.1	.087
Total luminal occlusion	21 (52.5%)	11 (15.9%)	<.001
Plaque volume (mm²)	1240.7 ± 535.2	1064.4 ± 414.1	.159
Presence of calcification	33 (82.5)	60 (87.0)	.526
Presence of FCR	14 (35.0)	23 (33.3)	.859
Volume of calcification (mm³)^{^b}	35.8 (12.4–87.3)	36.2 (15.8–79.6)	.794
Percentage calcification volume (%)^{^b}	3.1 (1.3–6.4)	3.5 (1.9–7.7)	.312
Volume of LRNC (mm³)^{^b}	312.7 (174.1–625.3)	227.7 (122.1–351.4)	.038
Percentage LRNC volume (%)^{^b}	29.4 (17.9–42.1)	23.6 (14.0–34.0)	.039
Volume of IPH (mm³)^{^b}	93.2 (31.4–201.2)	56.4 (21.9–104.9)	.016
Percentage IPH volume (%)^{^b}	7.9 (3.0–17.0)	5.4 (2.5–10.1)	.074
IPH length (mm)	12.0 (4.5–17.5)	10.0 (4.0–14.0)	.101

Note:—FCR indicates fibrous cap rupture.
↵a P values are based on the Mann-Whitney U test or Fisher exact test between patients with and without ipsilateral ACI lesions.
↵b Only patients with the corresponding component present were included in the comparison.