Table 2.
Imaging-based Neuropathology Markers by Race
| Total (N=1859) | White (N=1330) | Black (N=529) | ||
|---|---|---|---|---|
| MRI Neuropathology Markers | ||||
| Temporal-Parietal Lobe Meta-ROI (cm3) | 58.88 [54.32,63.68] | 60.09 [55.76,64.82] | 55.64 [51.54,60.55] | |
| Temporal-Parietal Lobe Meta-ROI (log2cm3) | 5.88 [5.76,5.99] | 5.91 [5.80,6.02] | 5.80 [5.69,5.92] | |
| Infarct Presence (Y/N) | 460 (25%) | 316 (24%) | 144 (27%) | |
| WMH Volume (cm3) | 11.53 [6.46,21.16] | 11.61 [6.41,21.06] | 11.39 [6.70,21.40] | |
| WMH Volume (log2cm3) | 3.53 [2.69,4.40] | 3.54 [2.68,4.40] | 3.51 [2.74,4.42] | |
| Microbleeds | 0 | 1398 (76%) | 1012 (77%) | 386 (73%) |
| 1 | 269 (15%) | 182 (14%) | 87 (17%) | |
| 2 | 75 (4%) | 54 (4%) | 21 (4%) | |
| 3+ | 99 (5%) | 67 (5%) | 32 (6%) | |
| PET Neuropathology Markers | PET Total (N=343) | PET White (N=197) | PET Black (N=146) | |
| Global Cortical Aβ (SUVR) | 1.20 [1.12,1.40] | 1.17 [1.10,1.30] | 1.24 [1.15,1.51] | |
| Global Cortical Aβ (log2SUVR) | 0.26 [0.16,0.48] | 0.22 [0.13,0.38] | 0.31 [0.22,0.58] | |
| Aβ(+) (SUVR>1.2) | 175 (51%) | 82 (42%) | 93 (64%) |
Note: MRI = Magnetic Resonance Imaging; ROI = region of interest; WMH=White Matter Hyperintensity; PET = Positron Emission Tomography; Aβ = beta-amyloid; SUVR = Standardized Uptake Value Ratio
Cells contain Median [Q1,Q3] for continuous variables and n (%) for categorical variables