Radiomics Feature Analysis of Cartilage and Subchondral Bone in Differentiating Knees Predisposed to Posttraumatic Osteoarthritis after Anterior Cruciate Ligament Reconstruction from Healthy Knees

Table 3

The performance of the cartilage radiomics models of different compartments and combined cartilage.

Statistics	MF	LF	MT	LT	Combined cartilage
Accuracy	0.809	0.979	0.851	0.936	0.979
AUC	0.905	0.980	0.900	0.939	0.982
AUC 95% CIs	0.803–0.979	0.925–1.000	0.803–0.976	0.854–1.000	0.919–1.000
NPV	0.591	0.928	0.667	0.917	0.929
PPV	1.000	1.000	0.966	0.943	1.000
Sensitivity	0.735	0.971	0.824	0.971	0.971
Specificity	1.000	1.000	0.923	0.846	1.000

MF: medial femur; LF: lateral femur; MT: medial tibia; LT: lateral tibia; AUC: area under the receiver operating characteristic curve; NPV: net present value; PPV; positive predictive value.