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Clinical features of the diagnostic groups.
| dVM | pVM | sVM | BPV | oM | All patients | |
|---|---|---|---|---|---|---|
| Headache (%) | 100 | 82 | 85 | 37 | 100 | 73 |
| Associated SV (%) | 17 | 42 | 35 | 0 | 0 | 27 |
| Abdominal pain (%) | 6 | 15 | 6 | 0 | 0 | 8 |
| Orthostatic dizziness (%) | 11 | 9 | 0 | 0 | 12 | 7 |
| Syncope (%) | 11 | 6 | 3 | 0 | 12 | 7 |
| Tinnitus (%) | 3 | 3 | 0 | 0 | 0 | 2 |
dPV, definite vestibular migraine; pVM, probable vestibular migraine; sVM, suspected vestibular migraine; BPV, benign paroxysmal vertigo; oM, other migraine syndromes; SV, somatoform vertigo.
