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Table 2: Vessel characteristics^{^a}
Vessel Characteristic All Vessels Symptomatic Vessels Contralateral Vessels P Value, Symptomatic versus Contralateral Vessels
No. 149 78 71 
Plaque ulceration 26 (17%) 21 (27%) 5 (7%) .001^{^b}
Fissured fibrous cap 13 (9%) 10 (13%) 3 (4%) .06
Calcium volume (mm³) 21.0 (3.6–56.2) 24.2 (6.2–71.8) 17.2 (1.9–53.1) .09
Degree of stenosis (ECST) (%) 51 ± 17 55 ± 17 47 ± 16 .004^{^b}
Degree of stenosis (NASCET) (%) 8 (0–32) 14 (0–35) 2 (0–26) .03^{^b}
Intraplaque hemorrhage 38 (26%) 30 (38%) 8 (11%) <.001^{^b}
↵a Data are absolute numbers of vessels (%), median (25th–75th percentile), or mean ± SD.
↵b P < .05.

Vessel Characteristic	All Vessels	Symptomatic Vessels	Contralateral Vessels	P Value, Symptomatic versus Contralateral Vessels
No.	149	78	71
Plaque ulceration	26 (17%)	21 (27%)	5 (7%)	.001^{^b}
Fissured fibrous cap	13 (9%)	10 (13%)	3 (4%)	.06
Calcium volume (mm³)	21.0 (3.6–56.2)	24.2 (6.2–71.8)	17.2 (1.9–53.1)	.09
Degree of stenosis (ECST) (%)	51 ± 17	55 ± 17	47 ± 16	.004^{^b}
Degree of stenosis (NASCET) (%)	8 (0–32)	14 (0–35)	2 (0–26)	.03^{^b}
Intraplaque hemorrhage	38 (26%)	30 (38%)	8 (11%)	<.001^{^b}