Score designation | S3.26 | S3.15 | S3.8 | S3.2 | ||||
Data | Working sample defined in Section 3.3. Variables transformed differently for the linear intermediate score and the logistic intermediate score. | |||||||
Number of bootstrap samples | 1000 | |||||||
Number of variables used | 26 | 15 | 8 | 2 | ||||
Number of modalities | 2 | |||||||
λ value | λ = 0.5 | λ = 0 (optimal) | λ = 0.5 | λ = 0.09 (optimal) | λ = 0.5 | λ = 0.06 (optimal) | λ = 0.5 | λ = 1 (optimal) |
AUC OOB of the LDA | 0.8084 | 0.7963 | 0.7796 | 0.7523 | ||||
AUC OOB of the LR | 0.8137 | 0.8001 | 0.7835 | 0.7482 | ||||
AUC OOB of the final score | 0.8121 | 0.8137 | 0.7996 | 0.8002 | 0.7830 | 0.7835 | 0.7502 | 0.7523 |
Sensitivity* | 0.861 | 0.823 | 0.759 | 0.724 | 0.713 | 0.748 | 0.810 | 0.826 |
Specificity* | 0.611 | 0.651 | 0.689 | 0.719 | 0.707 | 0.675 | 0.551 | 0.547 |
Maximum Youden index | 0.472 | 0.474 | 0.448 | 0.443 | 0.420 | 0.423 | 0.361 | 0.373 |