Research Article

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

Table 4

The performance of subchondral bone radiomics models in different compartments and combined subchondral bone.

StatisticsLFLTMFMTCombined subchondral bone

Accuracy0.7660.9570.8940.8290.894
AUC0.8890.9520.9230.8640.939
AUC 95% CIs0.791–0.9710.866–1.0000.833–0.9880.742–0.9610.865–0.994
NPV0.5411.0000.7500.6470.722
PPV1.0000.9440.9670.9331.000
Sensitivity0.6761.0000.8820.8240.853
Specificity1.0000.8460.9230.8461.000

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.