Table 3 The feature number and performance of mixed radiomics features models and Radscore models base on consecutive vertebrae for predicting low BMD.
Consecutive vertebrae | Feature number | Training set | Validation set | ||||
|---|---|---|---|---|---|---|---|
(Significant/Lasso) | AUC (95%CI) | Sensitivity (%) | Specificity (%) | AUC (95%CI) | Sensitivity (%) | Specificity (%) | |
Mixed radiomics features models | |||||||
T1-T3 | 232/31 | 0.865 (0.837–0.894) | 0.779 | 0.792 | 0.795 (0.743–0.846) | 0.669 | 0.784 |
T4-T6 | 235/37 | 0.871 (0.843–0.898) | 0.764 | 0.828 | 0.820 (0.771–0.869) | 0.719 | 0.759 |
T7-T9 | 231/41 | 0.881 (0.854–0.907) | 0.783 | 0.839 | 0.792 (0.740–0.844) | 0.653 | 0.735 |
T10-T12 | 208/45 | 0.904 (0.880–0.927) | 0.843 | 0.809 | 0.831 (0.784–0.878) | 0.793 | 0.728 |
L1-L2 | 159/36 | 0.913 (0.890–0.935) | 0.775 | 0.893 | 0.883 (0.843–0.922) | 0.736 | 0.864 |
Radscore models | |||||||
T1-T3 | 232/31 | 0.876 (0.849–0.903) | 0.730 | 0.893 | 0.809 (0.759–0.859) | 0.620 | 0.833 |
T4-T6 | 235/37 | 0.870 (0.842–0.898) | 0.719 | 0.879 | 0.855 (0.812–0.899) | 0.645 | 0.870 |
T7-T9 | 231/41 | 0.930 (0.910–0.950) | 0.843 | 0.893 | 0.845 (0.802–0.890) | 0.711 | 0.765 |
T10-T12 | 208/45 | 0.915 (0.892–0.937) | 0.802 | 0.887 | 0.871 (0.831–0.912) | 0.760 | 0.815 |
L1-L2 | 159/36 | 0.917 (0.893–0.938) | 0.813 | 0.851 | 0.906 (0.871–0.940) | 0.818 | 0.840 |
