Table 1 Classification results for osteoarthritis severity of each knee compartment using linear discriminant analysis classifier.
Accuracy | Sensitivity | Specificity | Precision | F-measure | ROC AUC | |
|---|---|---|---|---|---|---|
Medial compartment | ||||||
FS-PDWI | 0.717 | 0.525 | 0.776 | 0.509 | 0.511 | 0.765 |
PDWI | 0.796 | 0.645 | 0.843 | 0.645 | 0.641 | 0.839 |
Combination of FS-PDWI and PDWI | 0.792 | 0.649 | 0.841 | 0.655 | 0.651 | 0.842 |
Lateral compartment | ||||||
FS-PDWI | 0.582 | 0.608 | 0.555 | 0.582 | 0.596 | 0.592 |
PDWI | 0.597 | 0.559 | 0.637 | 0.602 | 0.585 | 0.639 |
Combination of FS-PDWI and PDWI | 0.645 | 0.627 | 0.663 | 0.646 | 0.642 | 0.684 |
P-FT compartment | ||||||
FS-PDWI | 0.635 | 0.592 | 0.680 | 0.635 | 0.623 | 0.651 |
PDWI | 0.655 | 0.606 | 0.707 | 0.656 | 0.641 | 0.698 |
Combination of FS-PDWI and PDWI | 0.625 | 0.587 | 0.663 | 0.627 | 0.613 | 0.651 |