Baseline characteristics of carotid arteries according to symptoms
| Symptomatic(n = 74) | Asymptomatic(n = 318) | P | |
|---|---|---|---|
| Age (years) | 69.9 ± 8.3* | 70.0 ± 7.6 | .8872 |
| Female sex | 14.9 (11/74) | 17.3 (55/318) | .7309 |
| AF and prosthetic heart valve | 5.4 (4/74) | 6.9 (22/318) | .7982 |
| Hypertension | 79.7 (59/74) | 83.3 (265/318) | .4957 |
| Diabetes mellitus | 39.2 (29/74) | 39.9 (127/318) | 1.0000 |
| Hyperlipidemia | 62.2 (46/74) | 56.0 (178/318) | .3630 |
| Cigarette smoking | 29.7 (22/74) | 23.3 (74/318) | .2930 |
Note:—AF indicates atrial fibrillation. Values for age represent mean ± SD; other values represent percentage of carotid arteries, with raw numbers provided in parentheses.