Table 2.
Linear correlation between individual values of best corrected visual acuity (BCVA) and of dark-adapted electroretinogram (ERG), light-adapted ERG, and flicker ERG (F-ERG) assessed in patients with Joubert syndrome with (JS-RD group) or without (JS-NRD group) retinal dystrophy
| BCVA (logMAR) |
Dark-adapted ERG | Light-adapted ERG | F-ERG | ||||||
|---|---|---|---|---|---|---|---|---|---|
| a-wave | b-wave | a-wave | b-wave | A (log µV) | |||||
| IT (log ms) | A (log µV) | IT (log ms) | A (log µV) | IT (log ms) | A (log µV) | IT (log ms) | A (log µV) | ||
| JS-RD group | |||||||||
| r | − 0.233 | 0.152 | 0.213 | 0.313 | − 0.189 | − 0.085 | − 0.416 | − 0.014 | 0.441 |
| p | 0.384 | 0.571 | 0.428 | 0.236 | 0.438 | 0.754 | 0.865 | 0.957 | 0.086 |
| JS-NRD group | |||||||||
| r | − 0.016 | 0.348 | − 0.634 | − 0.578 | − 0.677 | − 0.315 | 0.035 | − 0.799 | − 0.487 |
| p | 0.968 | 0.397 | 0.091 | 0.105 | 0.064 | 0.374 | 0.934 | 0.172 | 0.220 |
Pearson’s test was used and p values less than 0.01 were considered as statistically significant
IT implicit time, A amplitude, ms milliseconds, µV microvolt