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Table 1: The comparison of clinical characteristics and scan intervals between plaques with and without an ulcer at baseline^{^a}
All Baseline (n = 180) Ulcer Baseline Absent (n = 131) Ulcer Baseline Present (n = 49) P Value
Characteristics 
 Age (yr) 68 (63–73) 68 (62–73) 69 (64–73) .41
 Sex (male) 127 (71%) 122 (70%) 5 (83%) .67
 BMI (kg/m²) 26 (24–29) 25 (24–29) 27 (24–29) .45
Classification event 0.01
 TIA 76 (42%) 64 (49%) 12 (25%) 
 Stroke 85 (47%) 54 (41%) 31 (63%) 
 Amaurosis fugax 19 (11%) 13 (10%) 6 (12%) 
Hypertension 117 (65%) 85 (65%) 32 (65%) 1.00
Hypercholesterolemia 140 (78%) 101 (77%) 39 (80%) .84
Diabetes mellitus 42 (23%) 35 (27%) 7 (14%) .11
Current smoker 43 (24%) 35 (27%) 8 (16%) .17
Interval event/MDCTA (days) 34 (15–55) 36 (16–53) 35 (13–59) .85
Interval event/MR imaging (days) 47 (30–67) 46 (30–67) 48 (28–69) .87
Interval MDCTA/MR imaging (days) 1 (1–25) 1 (1–27) 1 (1–17) .70
Note:—BMI indicates body mass index.
↵a Data are median (IQR) or No. (%).