Table 5.
Correlations between changes in zero blood flow pixels and changes in macular thickness over four years in OAG patients of African and European descent.
| Retinal Area Zero Blood Flow Pixels |
Macular Region |
African Descent (AD) | European Descent (ED) | Comparison AD vs. ED |
||||
|---|---|---|---|---|---|---|---|---|
| n | r | p-value | n | r | p-value | p-value | ||
| Superior Retina |
outer superior | 18 | −0.61 | 0.006 | 59 | −0.09 | 0.476 | 0.034 |
| inner superior | 18 | −0.51 | 0.031 | 59 | 0.01 | 0.944 | 0.051 | |
| outer inferior | 18 | −0.76 | 0.000 | 59 | −0.05 | 0.700 | 0.001 | |
| inner inferior | 18 | −0.64 | 0.002 | 59 | −0.21 | 0.120 | 0.060 | |
| outer nasal | 18 | −0.58 | 0.010 | 59 | 0.03 | 0.827 | 0.017 | |
| inner nasal | 18 | −0.50 | 0.032 | 59 | −0.16 | 0.235 | 0.174 | |
| outer temporal | 18 | −0.60 | 0.007 | 59 | −0.19 | 0.150 | 0.083 | |
| inner temporal | 18 | −0.27 | 0.289 | 59 | 0.02 | 0.864 | 0.307 | |
| macular volume | 18 | −0.61 | 0.006 | 59 | −0.12 | 0.361 | 0.044 | |
| Inferior Retina |
outer superior | 18 | −0.69 | 0.001 | 57 | 0.04 | 0.743 | 0.002 |
| inner superior | 18 | −0.55 | 0.017 | 57 | −0.15 | 0.281 | 0.109 | |
| outer inferior | 18 | −0.80 | 0.000 | 57 | −0.10 | 0.452 | 0.001 | |
| inner inferior | 18 | −0.65 | 0.003 | 57 | −0.17 | 0.211 | 0.039 | |
| outer nasal | 18 | −0.66 | 0.002 | 57 | −0.21 | 0.124 | 0.049 | |
| inner nasal | 18 | −0.54 | 0.020 | 57 | −0.05 | 0.708 | 0.059 | |
| outer temporal | 18 | −0.58 | 0.010 | 57 | 0.06 | 0.670 | 0.014 | |
| inner temporal | 18 | −0.24 | 0.344 | 57 | −0.04 | 0.780 | 0.479 | |
| macular volume | 18 | −0.64 | 0.004 | 57 | −0.07 | 0.629 | 0.019 | |
Bold P-values indicate statistical significance (p<0.05).
Table 5 legend: n-number of participants; r-correlation coefficient.