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. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Alcohol Clin Exp Res. 2017 Sep 13;41(10):1745–1753. doi: 10.1111/acer.13471

Table 2.

Area under the Receiver Operative Characteristic (ROC) curve for PEth in the mixed cohort and by patient characteristics

PEth for Any Level of Alcohol Misuse (AUDIT)1 PEth for Severe Alcohol Misuse (AUDIT)2 Peth Any Level of Alcohol Misuse (AUDIT-C)3 PEth for Severe Alcohol Misuse (AUDIT-C)4
Area under the ROC (95% Confidence Interval)
Overall 0.927 (0.870, 0.962) 0.906 (0.845, 0.958) 0.948 (0.906, 0.981) 0.919 (0.856, 0.965)
Age
 < 40 0.944 (0.863, 0.990) 0.952 (0.873, 1.000) 0.931 (0.843, 0.992) 0.961 (0.893, 1.000)
 ≥ 40 0.917 (0.835, 0.968) 0.878 (0.788, 0.954) 0.959 (0.909, 0.995) 0.892 (0.807, 0.963)
Sex
 Male 0.914 (0.841, 0.962) 0.873 (0.790, 0.945) 0.945 (0.895, 0.982) 0.908 (0.833, 0.972)
 Female 0.980 (0.926, 1.000) 0.994 (0.964, 1.000) 0.945 (0.823, 1.000) 0.938 (0.820, 1.000)
Race
 White 0.906 (0.833, 0.953) 0.935 (0.822, 0.960) 0.952 (0.903, 0.989) 0.907 (0.834, 0.968)
 Non-white 0.988 (0.946, 1.000) 0.896 (0.815, 1.000) 0.952 (0.861, 1.000) 0.929 (0.788, 1.000)
1

PEth for predicting any level of alcohol misuse per AUDIT reference

2

PEth for predicting severe alcohol misuse per AUDIT reference