Research Article
Evaluation of Retinal Nerve Fiber Layer Thickness, Electroretinogram and Visual Evoked Potential in Patients with Alzheimer’s Disease
Table 5
Comparison of PERG readings of the right eye between AD patients and control.
| PERG parameters | AD (N = 25) mean (SD) | Control (N = 25) mean (SD) | t | Means difference | Confidence interval 95% | df | value | Lower | Upper |
| N35 (ms) | 40.32 (6.63) | 36.44 (8.03) | −1.863 | −3.88 | −8.067 | 0.307 | 48.00 | 0.069 | P50 (ms) | 63.88 (7.94) | 54.76 (8.24) | −3.985 | −9.12 | −13.722 | −4.518 | 48.00 | <0.001 | N95 (ms) | 107.96 (8.01) | 106.64 (8.59) | −0.562 | −1.32 | −6.044 | 3.404 | 48.00 | 0.577 | P50 wave (μV) | 1.79 (0.64) | 4.49 (1.44) | 8.574 | 2.70 | 2.062 | 3.345 | 33.17 | <0.001 | N95 wave (μV) | 2.43 (0.90) | 6.21 (2.65) | 6.756 | 3.78 | 2.634 | 4.919 | 29.43 | <0.001 |
|
|
|