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Table 3 Comparison of BA plaque prevalence in the four geometric configurations

From: Association between the vertebrobasilar artery geometry and basilar artery plaques determined by high-resolution magnetic resonance imaging

VBA geometry BA plaque ( +) (N = 86) BA plaque (−) (N = 204) p
     < 0.001
Walking(49) 26 (53.06) 23 (46.94)  
Tuning Fork(73) 11 (15.07) 62 (84.93)  
Lambda(144) 40 (27.78) 104 (72.22)  
No Confluence(24) 9 (37.50) 15 (62.50)  
  1. Values are presented as number (%); BA, basilar artery; VBA, vertebrobasilar artery;
  2. Walking vs. Tuning Fork, p ≤ 0.001; Walking vs. Lambda, p = 0.001; Walking vs. No Confluence, p = 0.211; Tuning Fork vs. Lambda, p = 0.037; Tuning Fork vs. No Confluence, p = 0.018; Lambda vs. No Confluence, p = 0.332; the significant level was adjusted to p’, p’ = p/m, m = k (k-1)/2 + 1, k indicates the group number, and p’ < 0.007 considered to be statistically significant