Table 2.
The 500-Hz Tone Burst, Air Conduction Ocular and Cervical VEMP Raw Findings of Participants
| Controls | Unilateral MD Group | p | |
|---|---|---|---|
| Ocular VEMP | |||
| Ipsilesional side N1 latencies* | 10.94 ± 0.92 | 11.15 ± 1.18 | 0.734 |
| Contralesional side N1 latencies* | 11.07 ± 0.87 | 11.31 ± 2.42 | 0.484 |
| Ipsilesional side P1 latencies* | 15.37 ± 1.16 | 15.23 ± 1.72 | 0.651 |
| Contralesional side P1 latencies* | 15.53 ± 1.1 | 15.36 ± 1.53 | 0.678 |
| Ipsilesional side N1–P1 amplitudes* | 3.72 ± 1.71 | 0.94 ± 1.13 | <0.001 |
| Contralesional side N1–P1 amplitudes* | 3.67 ± 2.33 | 2.51 ± 2.31 | 0.015 |
| Amplitude asymmetry ratio (%) | 14.94 ± 17.81 | 50.76 ± 41.04 | 0.003 |
| Cervical VEMP | |||
| Ipsilesional side P1 latencies* | 11.68 ± 2.04 | 13.97 ± 3.19 | 0.033 |
| Contralesional side P1 latencies* | 11.87 ± 1.95 | 13.57 ± 0.64 | 0.064 |
| Ipsilesional side N1 latencies* | 17.19 ± 1.91 | 19.32 ± 4.1 | 0.212 |
| Contralesional side N1 latencies* | 17.38 ± 1.49 | 18.46 ± 3.52 | 0.901 |
| Ipsilesional side P1–N1 amplitudes* | 49.98 ± 31.03 | 27.91 ± 19.55 | <0.001 |
| Contralesional side P1–N1 amplitudes* | 45.25 ± 29.3 | 23.01 ± 14.85 | 0.006 |
| Amplitude asymmetry ratio (%) | 12.49 ± 12.29 | 59.77 ± 39.44 | <0.001 |
* For the control group, the “ipsilesional side” means the right side, and the “contralesional side” means the left side. The bold values are statistically significant. MD = Ménière’s disease, VEMP = vestibular evoked myogenic potentials.