Table II.
Distribution by exclusive presenting symptom type and etiology
| Etiology | Stroke, No. (%) | TIA, No. (%) | TMB, No. (%) | ASX, No. (%) | Total, No. (%) |
|---|---|---|---|---|---|
| CEA patients | |||||
| Atherosclerosis | 604 | 862 | 313 | 3904 | 5683 (98.7) |
| Radiation | 0 | 1 | 2 | 3 | 6 (0.1) |
| Restenosis | 7 | 15 | 5 | 42 | 69 (1.2) |
| Total | 611 (10.6) | 878 (15.3) | 320 (5.5) | 3949 (68.6) | 5758 (100) |
| CAS patients | |||||
| Atherosclerosis | 293 | 413 | 140 | 1202 | 2048 (71.1) |
| Radiation | 10 | 24 | 16 | 91 | 141 (5.9) |
| Restenosis | 33 | 134 | 32 | 494 | 693 (24.0) |
| Total | 336 (11.7) | 571 (19.8) | 188 (6.5) | 1787 (62.0) | 2882 (100) |
ASX, Asymptomatic; CAS, carotid artery stenting; CEA, carotid endarterectomy; TIA, transient ischemic attack; TMB, transient monocular blindness.