Patient characteristics (n = 45)
| Patient Demographics | Symptomatic Patients (n = 31) | Asymptomatic Patients (n= 14) | P Valuea |
|---|---|---|---|
| Age (yr) (mean) (range) | 67.0 ± 10.4 (43–82) | 69.6 ± 9.0 (56–82) | .43b |
| Male (No.) (%) | 21 (67.7) | 13 (92.9) | .13c |
| Carotid arteries | |||
| Left side treated (No.) (%) | 15 (48.4) | 9 (64.3) | .32 |
| Stenosis grade (%), mean ± SD (range) | 89.5 ± 9.4 (65–99) | 88.9 ± 5.8 (75–99) | .32b |
| Symptoms | |||
| Stroke (No.) (%) | 11 (35.5) | None | N.A. |
| TIA (No.) (%) | 13 (41.9) | None | N.A. |
| AF (No.) (%) | 7 (22.6) | None | N.A. |
| Interval in days | |||
| Pretreatment CTP to treatment (mean) (range) | 3.2 ± 6.4 (0–35) | 3.5 ± 1.9 (3–10) | .03b |
| Treatment to posttreatment CTP (mean) (range) | 33.9 ± 4.8 (22–44) | 71.9 ± 82.6 (8–263) | .84b |
| Medical history | |||
| Hypertension (No.) (%) | 25 (80.6) | 13 (92.9) | .41c |
| Diabetes mellitus (No.) (%) | 3 (9.7) | 3 (21.4) | .36c |
| Hypercholesterolemia (No.) (%) | 12 (38.7) | 12 (85.7) | .008 |
| Smoking (No.) (%) | 10 (32.3) | 6 (42.9) | .52c |
| Previous myocardial infarction (No.) (%) | 4 (12.9) | 3 (21.4) | .66c |
| Previous CABG (No.) (%) | 2 (6.5) | 1 (7.1) | 1.00c |