Table 3.
Performance of machine learning in predicting VHI score
| ROI method | Atlas method | |
|---|---|---|
| Features of brain morphology | Cortical thickness: ROI 1, ROI 2 | Subcortical structure volume: left accumbens |
| Subcortical structure volume: left accumbens, right accumbens | White matter volume: right superior frontal | |
| White matter volume: right medial orbitofrontal, right superior frontal | ||
| r | .7516 | .2721 |
| P value of r | .0000** | .1255 |
| R2 | .5649 | .0741 |
| P value of permutation test (for R2) | .0000** | .0465* |
r, Pearson correlation coefficient; R2, coefficient of determination.
*
P < .05.
**
P < .001.