Research Article
Association between Asymptomatic Unilateral Internal Carotid Artery Stenosis and Electrophysiological Function of the Retina and Optic Nerve
Table 3
Mean values (±standard deviation) of PERG and PVEP amplitudes and peak times in EIS, ECS, and control eyes.
| Parameter | EIS
| ECS
| Control
| value | EIS versus controla | ECS versus controla | EIS versus ECSb |
| PERG | N35-P50 amplitude (μV) | 2.78 ± 1.67 | 2.63 ± 2.02 | 3.65 ± 1.51 | 0.01 | 0.0002 | 0.19 | P50 peak time (ms) | 53.87 ± 4.95 | 52.64 ± 4.13 | 54.19 ± 3.16 | 0.47 | 0.03 | 0.57 | P50-N95 amplitude (μV) | 4.22 ± 2.97 | 3.75 ± 2.91 | 5.62 ± 2.24 | 0.002 | <0.0001 | 0.06 | PVEP | P100 amplitude (μV) (1°4′) | 7.1 ± 3.93 | 7.21 ± 3.97 | 7.96 ± 3.47 | 0.13 | 0.20 | 0.58 | P100 amplitude (μV) (0°8′) | 8.63 ± 5.75 | 8.4 ± 4.8 | 9.15 ± 5.13 | 0.43 | 0.43 | 0.34 | P100 peak time (ms) (1°4′) | 112.91 ± 10.84 | 114.5 ± 8.63 | 111.23 ± 8.48 | 0.52 | 0.07 | 0.13 | P100 peak time (ms) (0°8′) | 118.24 ± 11.95 | 119.57 ± 11.42 | 118.83 ± 8.2 | 0.63 | 0.44 | 0.65 |
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aMann–Whitney test; bWilcoxon signed-rank test.
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