Table 5 Classification results for osteoarthritis severity of each knee compartment using random forest classifier.

From: Using magnetic resonance imaging-based subregional texture analysis models to classify knee osteoarthritis severity by compartment

 

Accuracy

Sensitivity

Specificity

Precision

F-measure

ROC AUC

Medial compartment

 FS-PDWI

0.739

0.551

0.788

0.552

0.533

0.784

 PDWI

0.762

0.581

0.808

0.546

0.548

0.759

 Combination of FS-PDWI and PDWI

0.779

0.613

0.820

0.604

0.590

0.815

Lateral compartment

 FS-PDWI

0.556

0.579

0.533

0.556

0.569

0.572

 PDWI

0.639

0.645

0.632

0.639

0.645

0.668

 Combination of FS-PDWI and PDWI

0.593

0.621

0.565

0.593

0.608

0.630

P-FT compartment

 FS-PDWI

0.558

0.577

0.539

0.558

0.570

0.579

 PDWI

0.607

0.613

0.602

0.607

0.613

0.618

 Combination of FS-PDWI and PDWI

0.582

0.599

0.564

0.582

0.592

0.598

  1. FS-PDWI fat-suppressed proton density-weighted imaging, PDWI proton density-weighted imaging, P-FT articulation between patella and femoral trochlea.
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