Clinical characteristics for symptomatic and asymptomatic carotid stenosis
| Variable | Symptomatica (n = 13) | Asymptomatica (n = 77) | PValueb |
|---|---|---|---|
| Age (yr) | 68.7 ± 10.9 | 71.4 ± 8.3 | .311 |
| Male sex (%) | 53.8 (7/13) | 58.4 (45/77) | .757 |
| Hyperlipidemia (%) | 69.2 (9/13) | 70.1 (54/77) | .948 |
| Hypertension (%) | 61.5 (8/13) | 71.4 (55/77) | .472 |
| History of coronary artery disease (%) | 30.8 (4/13) | 41.6 (32/77) | .463 |
| History of peripheral vascular disease (%) | 30.8 (4/13) | 36.4 (28/77) | .697 |
| History of diabetes mellitus (%) | 30.8 (4/13) | 19.5 (15/77) | .361 |
| Current statin use (%) | 76.9 (10/13) | 81.8 (63/77) | .677 |
| Current smoker (%) | 69.2 (9/13) | 83.1 (64/77) | .258 |
a Mean ± SD. Other values represent percentages; numbers in parentheses are used to calculate the percentages.
b P values by unpaired t test for age and by χ2 test or Fisher exact test for the other variables.