Table 5.
Results of the laboratory tests.
| % (n) | dVM | pVM | sVM | BPV | oM | All patients |
|---|---|---|---|---|---|---|
| Pathologic caloric testing | 21% | 16% | 29% | 25% | 0% | 21% (n = 100) |
| SVV deviation | 16% | 3% | 12% | 20% | 0% | 11% (n = 113) |
| Pathologic vHIT | 8% | 20% | 29% | 50% | 0% | 19% (n = 70) |
| Pathologic cVEMP | 33% | 50% | 50% | 67% | 0% | 38% (n = 47) |
| Abnormal posturography | 50% | 4% | 62% | 0% | 75% | 48% (n = 98) |
dPV, definite vestibular migraine; pVM, probable vestibular migraine; sVM, suspected vestibular migraine; BPV, benign paroxysmal vertigo; oM, other migraine syndromes; SVV, subjective visual vertical; vHIT, video head-impulse test; cVEMP, cervical vestibular evoked myogenic potentials.