Table 4

Associations between global cortical non-displaceable binding potential of Aβ and vessel densities/foveal avascular zone, given in ratios due to a log transformation applied to the dependent variable

Global cortical non-displaceable binding potential of Aβ
RatioRaw p value95% CIAdjusted p value
Retinal vessel density
 Inner ring macula*2.280.0161.21 to 6.410.064
 Outer ring macula*3.740.0520.99 to 14.10.156
 Around optic nerve head*0.860.6540.43 to 1.690.654
Foveal avascular zone (mm2)0.590.3560.19 to 1.800.712
  • GEE, corrected for age, gender, scan quality and diagnosis of diabetes.

  • *Reported in steps of 10. Adjusted p values were calculated using the Holm-Bonferroni method.

  • Aβ, amyloid-beta; GEE, generalised estimating equations.