Characteristic | Symptomatic | Asymptomatic |
---|---|---|
No of cases | 11 | 10 |
Average age (years) | 91.9 | 93 |
Male gender (n (%)) | 7 (63.6) | 7 (70.0) |
Ethnicity (n (%)) | ||
Caucasian | 11 (100.0) | 10 (100.0) |
African-American | 0 (0.0) | 0 (0.0) |
Other | 0 (0.0) | 0 (0.0) |
Hypercholesterolemia (n (%)) | 7 (63.6) | 6 (60.0) |
Hypertension (n (%)) | 9 (81.8) | 6 (60.0) |
Diabetes mellitus (n (%)) | 2 (18.2) | 5 (50.0) |
Cigarette smoking (n (%)) | ||
Never | 6 (54.5) | 5 (50.0) |
Former | 5 (45.5) | 5 (50.0) |
Active at presentation | 0 (0.0) | 0 (0.0) |
Premorbid CAD* (n (%)) | 5 (45.5) | 6 (60.0) |
Previous ischemic stroke or TIA† (n (%)) | 3 (27.3) | 3 (30.0) |
Average preoperative NIHSS score | 4.20 | 0.00 |
TIA as presentation (n (%)) | 5 (45.5) | 0 (0.0) |
Plaque ulceration (n (%)) | 2 (18.2) | 0 (0.0) |
Average degree of stenosis (% of vessel lumen) | 70.9 | 84.2 |
*Premorbid coronary artery disease is defined as a known diagnosis prior to a stroke event.
†Previous ischemic stroke/TIA indicates a past history of ischemic events before the intervention in this study was performed.
CAD, coronary artery disease; NIHSS, National Institutes of Health Stroke Scale; TIA, transient ischemic attack.