Table 2.
Comparison of tract FA, MD, RD and AxD between controls and participants with AD adjusting for age and WMH volume
| Controls | AD | β | Regression p value | |
|---|---|---|---|---|
| MD | ||||
| Frontal | 0.001116±0.000201 | 0.001219±0.000171 | 0.00006 | 0.34618 |
| Occipital | 0.000880±0.000076 | 0.000959±0.000099 | 0.00007 | 0.0238 |
| Parietal | 0.00116±0.00026 | 0.00132±0.00028 | 0.00014 | 0.12998 |
| Temporal | 0.000863±0.000052 | 0.000968±0.000108 | 0.00009 | 0.00107 |
| RD | ||||
| Frontal | 0.000999±0.000205 | 0.001107±0.000171 | 0.00006 | 0.32062 |
| Occipital | 0.000774±0.000084 | 0.000856±0.000110 | 0.00007 | 0.03286 |
| Parietal | 0.00104±0.00026 | 0.00121±0.00027 | 0.00014 | 0.12691 |
| Temporal | 0.000754±0.000058 | 0.000862±0.000114 | 0.00009 | 0.00185 |
| AxD | ||||
| Frontal | 0.001342±0.000196 | 0.001433±0.000172 | 0.00005 | 0.39726 |
| Occipital | 0.001082±0.000077 | 0.001156±0.000090 | 0.00006 | 0.02923 |
| Parietal | 0.00139±0.00026 | 0.00154±0.00032 | 0.00013 | 0.1987 |
| Temporal | 0.001076±0.000051 | 0.001168±0.000097 | 0.00008 | 0.00173 |
| FA | ||||
| Frontal | 0.270±0.0415 | 0.241±0.029 | –0.01606 | 0.14878 |
| Occipital | 0.257±0.0542 | 0.238±0.053 | 0.00007 | 0.0238 |
| Parietal | 0.251±0.044 | 0.219±0.026 | –0.02462 | 0.07023 |
| Temporal | 0.269±0.034 | 0.241±0.0351 | –0.02038 | 0.08202 |
Values are means ± standard deviations unless otherwise stated. β represents the nonstandardized regression coefficient.