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TABLE 1: 
Clinical and demographic characteristics
CharacteristicAnterior Circulation (n = 16)Posterior Circulation (n = 20)Total (n = 36)
Mean age (y)58.664.561.9
Risk factors10(63)18(90)28(78)
    Hypertension
    Diabetes mellitus5(31)6(30)11(31)
    Smoking history8(50)9(45)17(47)
    Hyperlipidemia8(50)13(65)21(58)
    Ischemic heart disease6(38)11(55)17(47)
    Prior stroke history9(56)10(50)19(53)
Symptoms*
    TIA12(75)19(95)31(86)
    Stroke4(25)1(5)5(14)
  • Note.—Data in parentheses are percentages.
  • * Symptoms before angioplasty that prompted endovascular intervention.