| Variables | Weight (in %) | Cumulative weight (in %) |
| Mean_IBI | 24.08 | 24.08 |
| nb_IBI | 23.99 | 48.06 |
| nb_B | 23.54 | 71.60 |
| P_Max_IBI | 15.50 | 87.10 |
| Age_EEG | 7.75 | 94.85 |
| P_B | 3.56 | 98.41 |
| P_IBI | 1.29 | 99.70 |
| Max_IBI | 0.12 | 99.82 |
| tot_IBI | 0.09 | 99.91 |
| P_Max_B | 0.06 | 99.97 |
| Mean_B | 0.02 | 100.00 |