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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Am J Addict. 2011 Mar 8;20(3):220–227. doi: 10.1111/j.1521-0391.2011.00118.x

TABLE 2.

Classification Accuracy of Different Item Combinations

Screening Test Items Sensitivity Specificity Positive Predictive Power Negative Predictive Power Diagnostic Efficiency
CLiP: Dependence Gate + Lying Gate + Preoccupation 98.4% 30.3% 86.9% 80.0% 86.4%
CER: Chasing + Escape + Risked Relationships 99.0% 47.0% 89.7% 91.2% 89.9%
CPR: Chasing + Preoccupation + Risked Relationships 98.7% 50.0% 90.2% 89.2% 90.1%
PERC: Preoccupation + Escape + Risked Relationships + Chasing 99.7% 39.4% 88.5% 96.3% 89.1%
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