Table 2.
Mean ± SD of implicit time (milliseconds), amplitudes (nV/deg2), OCT thickness, and the grading of drusen in each analyzed area
| Area 1 (central) | Area 2 (innermost superior) | Area 3 (outermost superior) | Area 4 (innermost inferior) | Area 5 (outermost inferior) | Area 6 (innermost nasal) | Area 7 (outermost nasal) | Area 8 (innermost temporal) | Area 9 (outermost temporal) | |
|---|---|---|---|---|---|---|---|---|---|
| Implicit time N1 | 18.5 ± 2* | 17.6 ± 2* | 17.2 ± 2* | 17.7 ± 2* | 16.9 ± 1* | 16.3 ± 2* | 17 ± 1* | 17.6 ± 2* | 16.7 ± 2* |
| Implicit time P1 | 33.3 ± 2* | 31.6 ± 2* | 31.1 ± 1* | 31.1 ± 1* | 30.2 ± 1* | 31.9 ± 2* | 30.1 ± 1* | 31.5 ± 2* | 30.4 ± 1* |
| Amplitude | 25.1 ± 9* | 18.5 ± 6 | 16 ± 4 | 18.2 ± 5 | 15.9 ± 3 | 18.8 ± 5 | 14.8 ± 4 | 20.5 ± 7 | 15.9 ± 6 |
| OCT | 213.2 ± 9 | 272.6 ± 5 | 248 ± 3 | 262.7 ± 5 | 232.4 ± 4 | 261.6 ± 3 | 247.9 ± 2 | 254 ± 4 | 230.5 ± 3 |
| Drusen | <33% | <33% | <20%** | <27%** | <20%** | <27%** | <20%** | <27%** | <27%** |
Notes:
*
P < 0.05 (Mann–Whitney test);
**
segments without drusen are included.
Abbreviations: OCT, optical coherence tomography; SD, standard deviation.