Research Article
Chaotic Analysis of the Electroretinographic Signal for Diagnosis
Table 2
Nonlinear parameter values in different cases for oscillatory potential of ERG signal.
| Parameters | Controls | CSNB I | CSNB II | Typical RP | Early onset RP | Late stage RP | value |
| HE | 0.4551 ± 0.033 | 0.1120 ± 0.0112 | 0.1909 ± 0.0241 | 0.2805 ± 0.0306 | 0.3548 ± 0.016 | 0.8168 ± 0.0212 | 0.002 | ApEn | 1.8526 ± 0.005 | 1.4491 ± 0.0041 | 1.1947 ± 0.0203 | 0.95608 ± 0.052 | 0.7522 ± 0.004 | 0.6405 ± 0.031 | 0.034 | HFD | 1.8501 ± 0.0301 | 1.5448 ± 0.0165 | 1.4383 ± 0.026 | 1.0098 ± 0.003 | 1.3142 ± 0.0046 | 1.2696 ± 0.011 | 0.106 | LLE | 0.7090 ± 0.0015 | 0.7577 ± 0.0009 | 0.7134 ± 0.002 | 0.7043 ± 0.0052 | 0.741 ± 0.0064 | 0.732 ± 0.0041 | 0.079 |
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