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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: J Head Trauma Rehabil. 2016 Jul-Aug;31(4):277–287. doi: 10.1097/HTR.0000000000000188

Figure 2.

Figure 2

A: Receiver operating characteristic (ROC) curve analysis for initial screening test of testosterone serum values to predict PHH status. The 100% sensitivity cutoff point was selected (13.47 nmol/L). Subjects testing positive (below the cutoff) in the screening test were analyzed in a confirmatory test. B: ROC curve analysis for confirmatory test of testosterone serum values to predict PHH status. The 100% specificity cutoff point was selected (9.05 nmol/L). Two-step testing of serum testosterone yielded an overall sensitivity of 78.6% and specificity of 100% for prediction of PHH.