Table 3.
Visual evoked potential latencies (ms) and amplitudes (μV) in Wilson Disease with and without pathological changes in brain MRI
| WD Group | CG and MRI- | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MRI+ (N = 39) | MRI− (N = 19) | MRI+ vs. MRI- | CG | MRI- vs. CG | ||||||
| Parameter | Mean | SD | Mean | SD | Difference | p | Mean | SD | Difference | p |
| N75 (ms) | 78.40 | 3.25 | 75.05 | 2.62 | 3.35 | <0.001 | 74.73 | 1.73 | 0.32 | 0.643 |
| P100 (ms) | 114.07 | 7.06 | 106.44 | 4.09 | 7.63 | <0.001 | 105.79 | 2.26 | 0.65 | 0.902 |
| N135 (ms) | 148.40 | 3.78 | 145.58 | 3.82 | 2.82 | 0.019 | 138.97 | 3.73 | 6.61 | <0.001 |
| Amplitude N75 - P100 (μV) | 9.67 | 2.09 | 10.20 | 2.33 | 0.53 | 0.411 | 9.30 | 1.62 | 0.90 | 0.152 |
MRI magnetic resonance image, MRI+ patients with pathological findings on MRI, MRI- patients without pathological findings on MRI, CG control group, N75 N75 wave latency, P100 P100 wave latency, N135 N135 wave latency, N75-P100 amplitude amplitude between peaks of N75 and P100 waves, SD standard deviation, ms milliseconds, μV microvolts. Statistically significant differences are represented in bold