Table 3. Performance Metrics (Thresholds 0.1-0.5) on the Testing Data for Final VUMC LASSO Model.

Threshold	Sensitivity	Specificity	PPV	NPV	F1
0.1	0.675	0.338	0.154	0.853	0.250
0.15	0.410	0.625	0.163	0.856	0.223
0.2	0.252	0.784	0.171	0.855	0.204
0.25	0.156	0.875	0.180	0.854	0.166
0.3	0.089	0.930	0.182	0.852	0.119
0.35	0.049	0.962	0.186	0.851	0.078
0.4	0.029	0.980	0.199	0.850	0.050
0.45	0.017	0.989	0.199	0.850	0.035
0.5	0.010	0.994	0.232	0.850	0.026

Abbreviations: LASSO, least absolute shrinkage and selection operator; VUMC, Vanderbilt University Medical Center.