Clinical and demographic characteristics
| Characteristic | Anterior Circulation (n = 16) | Posterior Circulation (n = 20) | Total (n = 36) |
|---|---|---|---|
| Mean age (y) | 58.6 | 64.5 | 61.9 |
| Risk factors | 10(63) | 18(90) | 28(78) |
| Hypertension | |||
| Diabetes mellitus | 5(31) | 6(30) | 11(31) |
| Smoking history | 8(50) | 9(45) | 17(47) |
| Hyperlipidemia | 8(50) | 13(65) | 21(58) |
| Ischemic heart disease | 6(38) | 11(55) | 17(47) |
| Prior stroke history | 9(56) | 10(50) | 19(53) |
| Symptoms* | |||
| TIA | 12(75) | 19(95) | 31(86) |
| Stroke | 4(25) | 1(5) | 5(14) |
Note.—Data in parentheses are percentages.
* Symptoms before angioplasty that prompted endovascular intervention.