Table 6 Correlation between disease duration and full field Electroretinography parameters in PD patients
From: Retinal functional and structural changes in patients with Parkinson’s disease
Disease duration in years | ||||
|---|---|---|---|---|
(r) coef | P-value | |||
Light adapted ERG | ||||
RT eye | a wave | Latency (milliseconds) | 0.118 | 0.415 |
Amplitude (µV) | 0.009 | 0.949 | ||
b wave | Latency (milliseconds) | 0.164 | 0.256 | |
Amplitude (µV) | -0.189 | 0.190 | ||
LT eye | a wave | Latency (milliseconds) | 0.150 | 0.300 |
Amplitude (µV) | -0.037 | 0.800 | ||
b wave | Latency (milliseconds) | 0.265 | 0.063 | |
Amplitude (µV) | -0.129 | 0.371 | ||
Dark adapted ERG | ||||
RT eye | a wave | Latency (milliseconds) | -0.006 | 0.966 |
Amplitude (µV) | -0.030 | 0.839 | ||
b wave | Latency (milliseconds) | 0.053 | 0.716 | |
Amplitude (µV) | -0.223 | 0.120 | ||
LT eye | a wave | Latency (milliseconds) | 0.024 | 0.871 |
Amplitude (µV) | -0.035 | 0.811 | ||
b wave | Latency (milliseconds) | 0.068 | 0.641 | |
Amplitude (µV) | -0.223 | 0.120 | ||