Table 6.
Correlation Coefficients of Ocular and Cervical VEMP and Video Ocular Counter-Roll Findings
Recording Parameters | r | p | ||
---|---|---|---|---|
Ocular VEMP | Controls | |||
Amplitude asymmetry ratio (%) | 30° Head tilt toward the right side | 20th-second, right-eye recording | 0.546 | 0.003 |
20th-second, left-eye recording | 0.387 | 0.046 | ||
40th-second, right-eye recording | 0.491 | 0.009 | ||
Ocular VEMP | Unilateral MD Group | |||
Ipsilesional side N1–P1 amplitudes | 30° Head tilt toward the contralesional side | 60th-second, right-eye recording | 0.394 | 0.038 |
Contralesional side N1–P1 amplitudes | 30° Head tilt toward the contralesional side | 20th-second, right-eye recording | 0.391 | 0.04 |
30th-second, right-eye recording | 0.389 | 0.041 | ||
40th-second, right-eye recording | 0.421 | 0.026 | ||
60th-second, right-eye recording | 0.385 | 0.043 | ||
Cervical VEMP | Unilateral MD Group | |||
Ipsilesional side N1 latencies | 30° Head tilt toward the contralesional side | 30th-second, left-eye recording | 0.537 | 0.039 |
Contralesional side P1 latencies | 0.39 | 0.049 | ||
Contralesional side N1 latencies | 0.458 | 0.019 |
The bold values are statistically significant. MD = Ménière’s disease, VEMP = vestibular evoked myogenic potentials.