Table 1:

Baseline characteristics of patients in the 4 different treatment technique groupsa

VariablesObservation (n = 6)SACE (n = 9)PAO (n = 6)FD (n = 7)P Value
Age (yr)58.2 ± 8.354.3 ± 14.745.3 ± 15.747.6 ± 22.1.47b
Sex, male3 (50)3 (33.3)2 (33.3)2 (28.6).87c
DM0 (0)1 (11.1)0 (0)0 (0).51c
Hypertension3 (50)4 (44.4)3 (50)1 (14.3).47c
Dyslipidemia2 (33.3)0 (0)0 (0)2 (28.6).14c
Current smoker1 (16.7)0 (0)0 (0)2 (28.6).23c
Symptoms.04c
    Incidental1 (16.7)5 (55.6)0 (0)0 (0)
    Headache3 (50)2 (22.2)2 (33.3)1 (14.3)
    Neurologic deficit2 (33.3)2 (22.2)4 (66.7)6 (85.7)
Location.65c
    Right VA2 (33.3)4 (44.4)1 (16.7)2 (28.6)
    Left VA2 (33.3)5 (55.6)3 (50)3 (42.9)
    BA2 (33.3)0 (0)2 (33.3)2 (28.6)
  • Note:—DM indicates diabetes mellitus; VA, vertebral artery; BA, basilar artery.

  • a Values are presented as mean ± SD or number (%).

  • b ANOVA.

  • c Fisher exact test.