Table 11.

For each implemented method, size of selected group, mean Dice index (evaluated using Näive Bayes Classifier), and related σ are shown.

Method	Size of selected group	Dice index
Original dataset	315	0.69 ± 0.04
PCA selection	197	0.62 ± 0.07
K-S selection	57	0.67 ± 0.04
Forward selection	36	0.75 ± 0.02
Backward elimination	23	0.75 ± 0.02
Random Forest	222	0.69 ± 0.04