Table 2 Performance Evaluation of Known Confounders
Confounder | k-fold CV AUC (95% CI) | k-fold CV Sensitivity at 85% Specificity (95% CI) | Confounder CV method | Confounder CV AUC (95% CI) |
|---|---|---|---|---|
Age | 0.71 (0.64–0.77) | 44% (29–57%) | Binned-age | 0.50 (0.50–0.50) |
Batch | 0.72 (0.69–0.75) | 43% (31–53%) | k-batch | 0.50 (0.50–0.50) |
Processing Date | 0.69 (0.64–0.74) | 38% (25–49%) | Ordered k-batch | 0.48 (0.43–0.52) |
Institution | 0.87 (0.84–0.90) | 74% (72–77%) | Balanced k-batch | 0.51 (0.28–0.74) |