Table 3. VEMPs in patients with progressive supranuclear palsy.
| oVEMP | cVEMP | |||||
|---|---|---|---|---|---|---|
| Patients | Controls | p | Patients | Controls | p | |
| Reproducible (n/n) | 16/16 | 16/17 | 16/16 | 16/17 | ||
| n1 latency (msec) | 11.9±3.4 | 11.9±2.8 | 0.897 | 25.3±3.5 | 24.8±2.8 | 0.669 |
| p1 latency (msec) | 16.9±3.7 | 17.2±3.3 | 0.985 | 17.4±3.1 | 15.9±2.5 | 0.094 |
| Absolute n1 Amp (µV) | 7.1±4.1 | 5.9±2.2 | 0.752 | 35.4±25.6 | 29.0±16.9 | 0.381 |
| Absolute p1 Amp (µV) | 7.1±3.5 | 6.8±3.8 | 0.867 | 27.6±16.0 | 26.1±16.6 | 0.305 |
| Absolute pp Amp (µV) | 13.5±7.2 | 12.5±5.6 | 0.752 | 63.4±40.4 | 54.1±32.7 | 0.287 |
| Corrected n1 Amp (µV) | 0.4±0.2 | 0.4±0.2 | 0.696 | 0.3±0.2 | 0.2±0.1 | 0.287 |
| Corrected p1 Amp (µV) | 0.4±0.3 | 0.5±0.3 | 0.724 | 0.2±0.1 | 0.2±0.1 | 0.491 |
| Corrected pp Amp (µV) | 0.8±0.5 | 0.9±0.6 | 0.616 | 0.6±0.3 | 0.5±0.2 | 0.305 |
Amp: amplitude, cVEMP: cervical vestibular evoked myogenic potential, oVEMP: ocular vestibular evoked myogenic potential, pp: peak-to-peak.