Table 4.

Performance and ROC area of the GHQ-12 (bimodal scoring)

SE (Sensitivity)=true positive/(true positive+false negative), SP (Specificity)=true negative/(true negative+false positive), PPV (Positive Predictive Value)=true positive/(true positive+false positive), NPV (Negative Predictive Value)=true negative/(true negative+false negative), AUC (Area Under the Curve). ROC: receiver operating characteristic, GHQ-12: 12-item General Health Questionnaire, DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, fourth edition