Skip to main content

Table 1 Clinical characteristics of the anomalous and non-anomalous VA groups

From: Are the anomalous vertebral arteries more hypoplastic?: retrospective linear mixed model approach

 

Total

(n = 238)

Anomalous (n = 24)

Non-anomalous (n = 214)

P

Female (%)

101 (42.4%)

12 (50%)

89 (41.6%)

0.429

Age, years (mean ± SD)

65.9 (±12.1)

60.8 (±12.1)

66.5 (±11.9)

0.030

Comorbidities

0.244a

 Ischemic stroke

107 (45.0%)

8 (33.3%)

99 (46.3%)

 

 Headache/Dizziness

42 (17.7%)

8 (33.3%)

34 (15.9%)

 Intracerebral hemorrhage

31 (13.0%)

4 (16.7%)

27 (12.6%)

 Neoplasm

30 (12.6%)

2 (8.3%)

28 (13.1%)

 Others

28 (11.7%)

2 (8.3%)

26 (12.1%)

V1 anomaly, number (%)b

11 (2.3%)

11 (22.9%)

-

-

V2 anomaly, number (%)b

27 (5.7%)

27 (56.3%)

-

-

  1. SD Standard deviation, V1 anomaly = vertebral artery with an aortic origin; V2 anomaly = vertebral artery with an abnormal entrance to the transverse foramen
  2. aPearson’s chi-square test
  3. bproportions in a total of 476 vertebral arteries