Table 3.
Association of Spine Morphologic Measures with β-Amyloid and Plaque Features
| Dependent Measure | Predictor Variable | Distance from plaque Edge | |
|---|---|---|---|
| 0 to 6 μm | |||
| F (df) | P value | ||
| Spine Volume, μm3 | Aβ-Immunoreactivity (Normalized Total 6E10 Fluorescence Intensity) | 9.313 (1,393) | 0.002 |
| Fibrillar Aβ Plaque Volume | 0.008 (1,363) | 0.929 | |
| Fibrillar Aβ Plaque Mean X-34 Fluorescence Intensity | 1.527 (1,351) | 0.217 | |
| Spine Surface area, μm2 | Aβ-Immunoreactivity (Normalized Total 6E10 Fluorescence Intensity) | 8.643 (1,393) | 0.003 |
| Fibrillar Aβ Plaque Volume | 0.060 (1,356) | 0.807 | |
| Fibrillar Aβ Plaque Mean X-34 Fluorescence Intensity | 1.284 (1,343) | 0.258 | |
| Spine Shape Complexity, Sphericity−1 | Aβ-Immunoreactivity (Normalized Total 6E10 Fluorescence Intensity) | 8.760 (1,378) | 0.003 |
| Fibrillar Aβ Plaque Volume | 1.895 (1,297) | 0.170 | |
| Fibrillar Aβ Plaque Mean X-34 Fluorescence Intensity | 0.013 (1,273) | 0.911 | |
| Total Phalloidin/Spine, gray level | Aβ-Immunoreactivity (Normalized Total 6E10 Fluorescence Intensity) | 0.340 (1,390) | 0.560 |
| Fibrillar Aβ Plaque Volume | 0.144 (1,373) | 0.705 | |
| Fibrillar Aβ Plaque Mean X-34 Fluorescence Intensity | 0.648 (1,364) | 0.421 | |
Aβ, β-amyloid.