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. 2023 Dec 21;31(3):640–650. doi: 10.1093/jamia/ocad226

Figure 2.

Figure 2.

Confusion matrix. The algorithm score from the phenotyping algorithm (PA) is used to determine phenotype case/control status based on the classification threshold. The ROC parameters are evaluated by enumerating the number of correct and incorrect classifications relative to the gold-standard label.