. Author manuscript; available in PMC: 2020 Jan 1.

Published in final edited form as: J Trace Elem Med Biol. 2018 Nov 3;51:204–211. doi: 10.1016/j.jtemb.2018.11.001

Table 3.

Ability of October 2014 Puget Sound worker elastic net model to predict manganese exposure in the January 2015 Puget Sound and Wisconsin workers

			Known
			Exposed	Unexposed	sensitivity	specificity	PPV	NPV	accuracy
January 2015 Puget Sound	Predicted	Exposed	13	5	0.76	0.67	0.72	0.71	0.72
January 2015 Puget Sound	Predicted	Unexposed	4	10	0.76	0.67	0.72	0.71	0.72

Wisconsin Current Exposure	Predicted	Exposed	14	39	0.93	0.00	0.26	0.00	0.26
Wisconsin Current Exposure	Predicted	Unexposed	1	0	0.93	0.00	0.26	0.00	0.26

Wisconsin Cumulative Exposure	Predicted	Exposed	27	26	0.96	0.00	0.51	0.00	0.50
Wisconsin Cumulative Exposure	Predicted	Unexposed	1	0	0.96	0.00	0.51	0.00	0.50

PPV=positive predictive value

NPV=negative predictive value