Table 1.
Optical coherence tomography (OCT) and multifocal electroretinography (mfERG) findings before and two years after the carotenoids supplementation in diabetic patients
| Parameter | Before | After | p value |
|---|---|---|---|
| CFT (μm) | |||
| OD | 157.4 ± 13.7 | 162.8 ± 13.1 | <0.001 |
| OS | 157.1 ± 14.0 | 163.4 ± 13.2 | <0.001 |
| Retinal Response Density (nV/deg2) | |||
| Ring 1 OD | 172.1 ± 18.4 | 188.9 ± 17.2 | <0.001 |
| Ring 1 OS | 171.4 ± 18.7 | 187.9 ± 16.6 | <0.001 |
| Ring 2 OD | 65.2 ± 9.0 | 75.7 ± 9.7 | <0.001 |
| Ring 2 OS | 65.8 ± 9.2 | 76.3 ± 9.1 | <0.001 |
| Ring 3 OD | 42.3 ± 5.0 | 45.4 ± 4.5 | <0.001 |
| Ring 3 OS | 42.4 ± 4.0 | 46 ± 4.1 | <0.001 |
| Latency (ms) | |||
| Ring 1 OD | 42.9 ± 1.7 | 42.7 ± 1.5 | 0.11 |
| Ring 1 OS | 42.8 ± 1.5 | 42.8 ± 1.5 | 0.62 |
| Ring 2 OD | 39.9 ± 1.7 | 39.9 ± 1.8 | 0.53 |
| Ring 2 OS | 39.4 ± 1.9 | 39.5 ± 1.9 | 0.42 |
| Ring 3 OD | 34.4 ± 0.8 | 34.3 ± 1.0 | 0.69 |
| Ring 3 OS | 34.3 ± 0.8 | 34.2 ± 0.9 | 0.42 |
CFT=central foveal thickness; OD=oculus dexter; OS=oculus sinister
Data are expressed as mean ± SD