Table 3.
Results of classification and evaluation of the classifier performance for each word type for PD and healthy controls (HC) using normalised confusion matrices and precession-recall metrics (the results of all variants for each word type are concatenated in each of the 4 confusion matrices).
| Predicted PD | Predicted HC | Precision | Recall | Accuracy score | |
|---|---|---|---|---|---|
| Action verbs (p-value = 0.003) | |||||
| True PD | 82% | 18% | 0.785 | 0.733 | 0.781 |
| True control | 27% | 73% | |||
| Abstract verbs (p-value = 0.041) | |||||
| True PD | 76% | 24% | 0.692 | 0.600 | 0.688 |
| True control | 40% | 60% | |||
| Correct morphosyntactic forms (p-value = 0.384) | |||||
| True PD | 56% | 44% | 0.491 | 0.483 | 0.523 |
| True control | 52% | 48% | |||
| Incorrect morphosyntactic forms (p-value = 0.021) | |||||
| True PD | 68% | 32% | 0.627 | 0.616 | 0.648 |
| True control | 38% | 62% | |||