Table 1

Clinical and radiological characteristics of controls (n = 83) and patients (n = 91) with unilateral pontine or PICA infarcts

Controls (n = 83)Patients (n = 91)p Value
General demographic data
    Age (year) (mean (SD))62.5 (11.7)63.6 (11.6)0.526
    Sex (% men)49 (59.0)55 (60.0)0.850
    Risk factors (n (%))
        Hypertension65 (71.4)
        Diabetes mellitus35 (38.5)
        Smoking30 (33.0)
        Previous stroke18 (19.8)
        Hyperlipidaemia22 (24.2)
Direction of vascular deformations
    Direction of dominant flow VA (n)0.803
        R side2728
        L side5663
    Direction of BA curvature (n)0.007
        R side4568
        L side2921
        Visually straight BA92
Degree of BA curvature (n)<0.001
    Grade 092
    Grade 16541
    Grade 2935
    Grade 3013
Degree of BA height (n)<0.001
    Grade 18273
    Grade 2117
    Grade 301
Diameter of arteries (mm)
    BA (mean (SD))3.17 (0.70)3.20 (0.56)0.759
    R VA (mean (SD))2.35 (0.82)1.95 (0.68)0.001
    L VA (mean (SD))2.48 (0.72)2.48 (0.74)0.998
  • BA, basilar artery; L, left; PICA, posterior inferior cerebellar artery; R, right; VA, vertebral artery.