Table 1.
List of original features from (Zhou et al., 2013) and new surface features (downsized by 10) computed from the hippocampus used to predict outcomes at 6, 12, 24, 36 and 48 months
| No of features | ||
|---|---|---|
| Original features | ||
| Sex | 1 | 309 |
| Age | 1 | |
| ApoE | 1 | |
| Baseline MMSE | 1 | |
| MRI features: (average cortical thickness, standard deviation in cortical thickness, the volumes of cortical parcellations (based on regions of interest automatically segmented in the cortex), the volumes of specific white matter parcellations, and the total surface area of the cortex. | 305 | |
| Hippocampal surface features | ||
| Mid Axis Distance map | 300 | |
| mTBM feature maps (3 tensor values × 300 points) | 900 | 2100 |
| Jacobian magnitude map | 300 | |
| Jacobian principal eigen values (2 × 300 points) | 600 | |