Table 2.
The comparisons between normal and glaucomatous eyes for retinal blood flow, retinal nerve fiber layer thickness and ganglion cell complex thickness.
| Normal (n = 27) | Glaucoma (n = 30) | p-value* | |
|---|---|---|---|
| Total Retinal Blood Flow (μL/min) | 46.5 ± 10.6 | 34.6 ± 12.2 | <0.001 |
| Superior Retinal Blood Flow (μL/min) | 24.5 ± 8.2 | 17.7 ± 5.6 | <0.001 |
| Inferior Retinal Blood Flow (μL/min) | 21.9 ± 5.6 | 16.7 ± 8.7 | 0.01 |
| Average venous cross sectional area (mm2) | 0.052 ± 0.012 | 0.039 ± 0.009 | <0.001 |
| Superior venous cross sectional area (mm2) | 0.028 ± 0.008 | 0.020 ± 0.005 | < 0.001 |
| Inferior venous cross sectional area (mm2) | 0.024 ± 0.007 | 0.019 ± 0.005 | < 0.001 |
| Average venous blood flow velocity (mm/s) | 15.0 ± 2.3 | 13.7 ± 6.3 | 0.30 |
| Average arteriolar cross sectional area (mm2) | 0.036 ± 0.009 | 0.028 ± 0.008 | 0.002 |
| Superior arteriolar cross sectional area (mm2) | 0.020 ± 0.005 | 0.015 ± 0.007 | 0.04 |
| Inferior arteriolar cross sectional area (mm2) | 0.017 ± 0.004 | 0.012 ± 0.004 | 0.007 |
| Average RNFL (μm) | 101.0 ± 6.6 | 85.0 ± 15.5 | <0.001 |
| Superior RNFL (μm) | 123.6 ± 13.7 | 94.2 ± 20.9 | <0.001 |
| Inferior RNFL (μm) | 126.1 ± 11.6 | 96.4 ± 23.2 | <0.001 |
| Average GCC (μm) | 96.1 ± 5.7 | 80.6 ± 10.3 | <0.001 |
| Superior GCC (μm) | 95.6 ± 5.0 | 82.2 ± 9.8 | <0.001 |
| Inferior GCC (μm) | 96.7 ± 6.7 | 79.0 ± 12.8 | <0.001 |
One-way analysis of variance (ANOVA) with Tukey-Kramer Honesty Significant Difference (HSD) posthoc test (JMP 8.0.2);
RNFL = retinal nerve fiber layer thickness; GCC = ganglion cell complex thickness.