Table 9 Performance comparison on clinical subgroups stratified by KL grade

From: CartiSurface: implicit surface reconstruction for anatomically-aware cartilage thickness mapping in knee MRI

Subgroup

Method

MAE (mm) ↓

Dice ↑

Healthy (KL 0)

U-Net + Morph

0.45 (0.07)

0.86 (0.04)

 

CartiSurface

0.22 (0.03)

0.93 (0.02)

Early OA (KL 1–2)

U-Net + Morph

0.53 (0.08)

0.82 (0.05)

 

CartiSurface

0.27 (0.04)

0.91 (0.03)

Advanced OA (KL 3–4)

U-Net + Morph

0.58 (0.09)

0.79 (0.06)

 

CartiSurface

0.35 (0.05)

0.88 (0.04)

  1. Values are reported as mean (standard deviation). CartiSurface demonstrates a particularly strong advantage in the Healthy and Early OA groups.
  2. The bold is the best result.
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