Research Article
Chaotic Analysis of the Electroretinographic Signal for Diagnosis
Table 1
Nonlinear parameter values in different cases for 30 Hz flicker ERG signal.
| Parameters | Controls | CSNB I | CSNB II | Typical RP | Early onset RP | Late stage RP | value |
| HE | 0.5468 ± 0.042 | 0.3467 ± 0.04 | 0.2513 ± 0.0214 | 0.7768 ± 0.012 | 0.6987 ± 0.0314 | 0.9144 ± 0.0654 | 0.0051 | ApEn | 2.9527 ± 0.0301 | 2.6553 ± 0.0425 | 2.4934 ± 0.028 | 1.9464 ± 0.01 | 1.2970 ± 0.006 | 1.0904 ± 0.043 | 0.0124 | HFD | 1.8483 ± 0.0401 | 1.6526 ± 0.0912 | 1.4366 ± 0.0048 | 1.3370 ± 0.03 | 1.2464 ± 0.0062 | 1.0809 ± 0.012 | 0.123 | LLE | 0.4823 ± 0.0031 | 0.457 ± 0.001 | 0.41 ± 0.004 | 0.43 ± 0.0015 | 0.401 ± 0.007 | 0.422 ± 0.0017 | 0.067 |
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