From: Ocular biomarkers for cognitive impairment in nonagenarians; a prospective cross-sectional study
 | Healthy nonagenarians | CI nonagenarians | SE | p-value |
---|---|---|---|---|
Macular retinal layer thickness: | ||||
 Total RT inner ring (μm) | 323.5 | 317.3 | 5.0 | 0.218 |
 Total RT outer ring (μm) | 282.2 | 276.1 | 4.0 | 0.133 |
 RNFL inner ring (μm) | 23.0 | 22.2 | 0.8 | 0.353 |
 RNFL outer ring (μm) | 36.4 | 35.5 | 1.4 | 0.518 |
 GCL inner ring (μm) | 43.9 | 42.9 | 1.6 | 0.550 |
 GCL outer ring (μm) | 30.0 | 29.9 | 1.1 | 0.940 |
 IPL inner ring (μm) | 36.6 | 35.5 | 1.0 | 0.275 |
 IPL outer ring (μm) | 25.5 | 24.9 | 0.8 | 0.449 |
Peripapillary RNFL: | ||||
 Average (μm) | 88.3 | 89.1 | 2.7 | 0.762 |
 Nasal superior (μm) | 90.6 | 96.6 | 4.9 | 0.229 |
 Nasal (μm) | 67.1 | 69.9 | 3.5 | 0.428 |
 Nasal inferior (μm) | 101.9 | 102.3 | 5.3 | 0.940 |
 Temporal inferior (μm) | 123.0 | 122.1 | 5.2 | 0.868 |
 Temporal (μm) | 69.1 | 66.9 | 3.2 | 0.471 |
 Temporal superior (μm) | 118.9 | 118.0 | 4.5 | 0.854 |
Retinal vascular parameters: | ||||
 CRAE | 123.6 | 120.3 | 2.3 | 0.156 |
 CRVE | 184.3 | 179.7 | 4.6 | 0.325 |
 AVR | 0.676 | 0.673 | 0.014 | 0.818 |
 FDa | 1.152 | 1.152 | 0.011 | 0.977 |
 FDv | 1.137 | 1.137 | 0.011 | 0.987 |
 cTORTaa | −9.75 | −9.80 | 0.062 | 0.407 |
 cTORTva | −9.73 | −9.69 | 0.054 | 0.472 |