Table 9.

Metrics for the training and testing (external) cohorts for the XGBoost^a model.

Training data size	AUCb score	Sensitivity	Specificity	Precision	F1-score
10,000	0.76	0.21	0.97	0.69	0.33
100,000	0.81	0.27	0.98	0.73	0.39
1,000,000	0.82	0.33	0.97	0.69	0.45

^aXGBoost: extreme gradient boosting.

^bAUC: area under the receiver operating characteristic curve.