Figure 3

The ROC curves of the CHAID model, CART model, BAD-D, CBI, and TBI are presented in (A); the ROC curves of the two models in the validation database are presented in (B). ROC, receiver operating characteristic; BAD-D, Belin/Ambrósio deviation index; CBI, Corvis biomechanical index; TBI, tomographic and biomechanical index.