Table 3 Comparison of brain age with different kernel functions for NC-AD (correlation coefficient)
Polynomial kernel | Gaussian kernel | Linear kernel | ||||
|---|---|---|---|---|---|---|
Mean | Std | Mean | Std | Mean | Std | |
Without age estimation (w = 0, q = 0) | 0.059 | 0.0363 | 0.0592 | 0.0363 | 0.0592 | 0.0363 |
BrainAge_estima | 0.558 | 0.0179 | 0.6746 | 0.0230 | 0.518 | 0.2354 |
Path_brainAge_estima | 0.625 | 0.0181 | 0.6785 | 0.0243 | 0.682 | 0.0235 |