Table 2.

5-fold XGBoost cross-validation results (training data) and test dataset.

Evaluation	Age group	Accuracy	F1	AUROC	Sensitivity	Specificity	Precision	Negative to positive support ratio
Training (5-fold CV results)	Pediatric (0-14)	0.969 ±0.001	0.024±0.047	0.833±0.022	0.014±0.029	0.998±0.002	0.067±0.133	33
	Young(15-44)	0.861±0.003	0.468±0.017	0.872±0.008	0.577±0.028	0.894±0.003	0.394±0.012	8.5
	Mid (45-64)	0.742±0.008	0.585±0.009	0.844±0.009	0.813±0.021	0.722±0.014	0.457±0.009	3.3
	Older ≥ 65	0.699±0.012	0.565±0.006	0.815±0.011	0.838±0.023	0.657±0.021	0.426±0.010	3.5
Test dataset	Pediatric (0-14)	0.956	0.000	0.718	0.000	0.998	0.000	20
	Young (15-44)	0.791	0.482	0.796	0.609	0.825	0.399	5.3
	Mid (45-64)	0.671	0.564	0.798	0.822	0.619	0.429	2.9
	Older ≥ 65	0.666	0.582	0.790	0.827	0.602	0.449	2.6
	Overall (all groups combined)	0.736	0.545	0.814	0.752	0.731	0.427	3.8