Table 2.

Comparison of XGB model’s performance with nurse triage and HEART score in the prospective pre-experiment cohort

	TPR	TNR	FPR	FNR	PPV	NPV	F1	MMCE	ACC
XGB model	0.510 (0.409–0.610)	0.885 (0.853–0.911)	0.115 (0.089–0.147)	0.490 (0.390–0.591)	0.473 (0.377–0.570)	0.899 (0.869–0.924)	0.491 (0.406–0.571)	0.179 (0.147–0.210)	0.821 (0.789–0.851)
Nurse triage	0.696 (0.597–0.783)	0.917 (0.889–0.939)	0.083 (0.061–0.111)	0.304 (0.217–0.403)	0.628 (0.532–0.717)	0.937 (0.912–0.957)	0.660 (0.582–0.728)	0.121 (0.094–0.147)	0.879 (0.851–0.904)
HEART	0.294 (0.208–0.393)	0.964 (0.944–0.979)	0.036 (0.021–0.056)	0.706 (0.607–0.792)	0.625 (0.474–0.760)	0.871 (0.840–0.897)	0.400 (0.303–0.493)	0.149 (0.121–0.177)	0.851 (0.820–0.879)