Table 3. Comparison of the Doppler parameters of the central retinal artery (CRA) and ophthalmic artery (OA) of both eyes in asymmetrical POAG patients.
| Arteries | Doppler Parameters | Better eyeMean ± SD | Worse eyeMean ± SD | 95% CI of difference between means | p-value |
| OA | PSV (cm/s) | 27.62±3.46 | 28.44±3.45 | -2.00 – 0.62 | 0.30 |
| EDV (cm/s) | 5.34±2.06 | 5.97±2.20 | -1.22 – 0.40 | 0.32 | |
| RI | 0.81±0.05 | 0.80±0.05 | -0.01 – 0.03 | 0.42 | |
| CRA | PSV (cm/s) | 11.42±1.15 | 11.82±1.04 | -0.73 – 0.11 | 0.15 |
| EDV (cm/s) | 1.76±0.80 | 1.98±0.84 | -0.44 – 0.17 | 0.39 | |
| RI | 0.85±0.06 | 0.84±0.06 | -0.01 – 0.03 | 0.49 | |
| SD= Standard deviation CI=Confidence Interval | |||||