Table 2.
Spearman correlation coefficient of the feature values, the age, and the classification task if the correlation is significant (*: p ≤ 0.05/c, **: p ≤ 0.01/c, ***: p ≤ 0.001/c, after Bonferroni-Correction c = 14).
| Age | Task 1 PD versus CG |
Task 2 MD versus CG |
Task 3 PD versus DD |
|
|---|---|---|---|---|
| Age | – | 0.53** | ||
| QYes | 0.63*** | 0.55*** | ||
| F1c DistanceFFT | 0.44* | 0.5*** | ||
| F2 MaxDistance | 0.7*** | 0.58*** | ||
| F3 MeanDistance | 0.66*** | 0.55*** | ||
| F4 StDevDistance | 0.7*** | 0.58*** | ||
| F5 ChangeOfRadiusDirection | − 0.41* | |||
| F6 ChangeOfDirectionX | ||||
| F7 ChangeOfDirectionY | ||||
| F8 MeanForce | ||||
| F9 StDevDistance | 0.46** | 0.33* | ||
| F10 MedianForce | ||||
| F11 TimeOfDrawing | ||||
| F12 MeanVelocity | ||||
| F13 StDevForce | 0.36* |