. Author manuscript; available in PMC: 2020 Apr 11.

Published in final edited form as: Suicide Life Threat Behav. 2019 Nov 6;50(2):422–436. doi: 10.1111/sltb.12598

TABLE 3.

Comparison of Model Accuracy at 24 months

Algorithm	AUC	95% CI for AUC	Calibration slope	Intercept	Brier score
Ridge regression	0.87	0.83, 0.90	0.95	−2.72	0.13
Lasso regression	0.86	0.82, 0.90	0.31	−2.42	0.13
Elastic net	0.85	0.81, 0.89	0.28	−2.27	0.13
Unregularized logistic regression	0.83	0.78, 0.88	0.14	−2.13	0.14
Decision tree classifier	0.81	0.73, 0.88	0.13	−4.60	0.13
Previous attempt	0.57	0.49, 0.65	1.00	−2.13	0.24