Table 2.
Summary of retinal arterial vascular function parameters.
| Variable | (19–30) Year |
(31–50) Year |
(51–70) Year |
p-Value Anova/Ancova |
Post-Hoc |
|---|---|---|---|---|---|
| Baseline | 117.44 (4.24) | 116.60 (4.45) | 113.41(5.74) | 0.61902 | |
| BDF | 7.06 (0.65) | 5.92 (0.70) | 3.49 (0.88) | 0.0140 * | 1 > 2 > 3 |
| BCFR | 4.90 (0.72) | 4.81 (0.80) | 2.54 (0.90) | 0.1058 | - |
| MD | 124.94 (4.13) | 121.76 (4.60) | 117.02 (5.20) | 0.4986 | - |
| tMD | 14.67 (0.77) | 16.15 (0.73) | 19.29 (0.83) | 0.0254 * | 1 < 2 < 3 |
| MD % | 5.64 (0.63) | 4.50 (0.70) | 3.24 (0.79) | 0.0360 * | 1 > 2 > 3 |
| MC | 112.99 (4.32) | 113.24 (4.78) | 112.80 (5.42) | 0.5985 | - |
| tMC | 25.39 (2.34) | 28.93 (2.60) | 27.523 (2.93) | 0.5974 | - |
| MC% | −3.85 (0.36) | −2.43 (0.4) | −1.70 (0.46) | 0.0040 * | 1 > 2 > 3 |
| DA | 11.95 (1.27) | 9.74 (1.40) | 6.04 (1.60) | 0.0230 * | 1 > 2 > 3 |
| SlopeAD | 0.52 (0.11) | 0.51 (0.12) | 0.26 (0.14) | 0.3030 | - |
| SlopeAC | −0.62 (0.062) | −0.38 (0.07) | −0.30 (0.08) | 0.0055 * | 1 > 2, 2 = 3, 1 > 3 |
Abbreviations: ANOVA, analysis of variance; ANCOVA, analysis of covariance; Baseline, baseline diameter; BDF, baseline diameter fluctuation; BCFR, Baseline corrected flicker response; MD, maximum dilation; tMD, time to reach MD; MD%, percent dilation; MC, maximum constriction; tMC, time to reach MC; MC%, percent constriction; DA, dilation amplitude (difference between MD and MC during flicker); SlopeAD, slope of arterial dilation; SlopeAC, slope of arterial constriction. * Significant p-values are indicated where p < 0.05 was considered significant.