Table 3.
Association of MdD with migraine, aura, vertigo, and motion sensitivity
| Associated Syndromes | all MdD total n = 34 (%) | pure MdD total n = 23 (%) | mixed MdD total n = 11 (%) |
|---|---|---|---|
| Migraine headache (all) | 13 of 34 (38) | 5 of 23 (22) | 8 of 11 (73) |
| with aura | 7 of 34 (21) | 3 of 23 (13) | 4 of 11 (36) |
| Vertigo | 4a of 34 (12) | 1 of 23 (4) | 3 of 11 (27) |
| Self-motion sensitivityb | |||
| Prior | 11 of 30 (37) | 6 of 21 (29) | 5 of 9 (56) |
| Post | 16 of 32 (50) | 7 of 21 (33) | 9 of 11 (82) |
| Prior vs. post | p = NS | ||
| Visual motion sensitivityb | |||
| Prior | 3 of 30 (10) | 1 of 21 (5) | 2 of 9 (22) |
| Post | 21 of 32 (66) | 11 of 21 (52) | 9 of 11 (82) |
| Prior vs. post | p < 0.001 | ||
| Re-exposure to passive motion effect on symptomsb | |||
| Decrease | 21 of 32 (66) | 17 of 22 (77) | 4 of 10 (40) |
| Increase | 1 of 32 (3) | 0 of 22 (0) | 1 of 10 (10) |
| No consistent effect | 10 of 32 (31) | 5 of 22 (23) | 5 of 10 (50) |
| Decrease vs. increase vs. no effect | p < 0.001 | ||
a
benign paroxysmal positional vertigo (3); benign recurrent vertigo (1)
b
based on clear known responses