. Author manuscript; available in PMC: 2017 Feb 13.

Published in final edited form as: Subst Use Misuse. 2016 Sep 23;52(1):43–51. doi: 10.1080/10826084.2016.1214150

Table 3.

Performance of Hazardous Drinking Index (HDI) and CAGE in predicting DSM IV alcohol abuse or dependence

Instrument Cutpoint^a	% Correct	Sensitivity	Specificity	PPV^b
HDI
Cut ≥ 1	65.29	95.16	58.59	34.01
Cut ≥ 2^b	77.10	90.32	74.14	43.92
Cut ≥ 3	84.34	79.84	85.35	55.00
Cut ≥ 4	87.30	62.10	92.95	66.38
Cut ≥ 5	88.92	54.84	96.56	78.16
CAGE
Cut ≥ 1	81.17	81.45	81.09	49.74
Cut ≥ 2	84.83	44.35	95.38	71.43

Note

Bolded text represents optimal cutpoint, i.e., ≥ 90% sensitivity and highest possible specificity

PPV=Positive predictive value