Table 2.
Prevalence of internal jugular vein valve insufficiency
| Study groups | Bilateral or unilateral | Bilateral | Left-sided | Right-sided |
|---|---|---|---|---|
|
M n = 70 |
36 (51%)* |
8 (11%)* |
17 (24%)* |
27 (39%)* |
|
MO n = 44 |
23 (52%)* |
7 (16%)* |
13 (30%)* |
17 (39%)* |
|
MA n = 26 |
13 (50%)* |
1 (4%)* |
4 (15%)* |
10 (38%)* |
| Control group n = 42 | 17 (40%)* | 5 (12%)* | 12 (28%)* | 10 (24%)* |
M, all patients with migraine; MO, patients with migraine without aura;
MA, patients with migraine with aura;
*no difference between the study groups p > 0.05.