Table 3.
Retinal vascular and amyloid parameter predictors of cognitive domain measures.
| Retinal Parameter | Cognitive Measures’ Z-Score |
Beta (Std. Err) | p |
|---|---|---|---|
| Venous branching angle | WAIS-IV | −0.045 (0.015) | 0.008 |
| PMP amyloid-venous VTI | CVLT Long Delay | −0.37 (0.17) | 0.04 |
| Total amyloid-venous VTI | WMS LM-II | −0.44 (0.13) | 0.03 |
| PMP amyloid-arterial branching angle | WMS LM-II | −0.35 (0.16) | 0.04 |
| PMP amyloid-venous VTI | WMS LM-II | −0.53 (0.13) | 0.001 |
| Total amyloid-venous VTI | MCS | −0.30 (0.14) | 0.04 |
| PMP amyloid-venous VTI | MCS | −0.33 (0.15) | 0.03 |
| PMP amyloid count | CVLT Long Delay | −0.009 (0.003) | 0.02 |
| PMP amyloid count | WMS LM-II | −0.007 (0.03) | 0.02 |
| DMP amyloid count | RCFT 30 min Recall | −0.010 (0.005) | 0.04 |
| DMP amyloid count | MCS | −0.014 (0.004) | 0.004 |
| Total amyloid count | MCS | −0.004 (0.002) | 0.04 |
Abbreviations: VTI, vessel tortuosity index; PMP, proximal mid-periphery; DMP, distal mid-periphery; WAIS, Wechsler Adult Intelligence Scale; CVLT, California Verbal Learning Test; WMS LM-II, Wechsler Memory Scale Logical Memory II; RCFT, Rey Complex Figure Test and Recall; MCS, Mental Component Score; and Std. Err, standard error.