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Table 8 Performance and ROC area of the GHQ-12 (bimodal scoring)

From: Using the GHQ-12 to screen for mental health problems among primary care patients: psychometrics and practical considerations

ICD-10 diagnoses Threshold SE SP PPV NPV AUC
Mood disorders 1/2 0.774 0.433 0.104 0.957 0.702
2/3 0.717 0.634 0.143 0.963  
Mixed anxiety and depression 1/2 0.902 0.474 0.234 0.965 0.725
2/3 0.686 0.659 0.263 0.922  
Anxiety disorders 1/2 0.805 0.446 0.157 0.947 0.661
2/3 0.597 0.624 0.172 0.924  
Any diagnosis 1/2 0.824 0.641 0.679 0.789 0.787
2/3 0.599 0.798 0.732 0.683  
  1. SE Sensitivity, SP Specificity, PPV Positive Predictive Value, NPV Negative Predictive Value, AUC Area Under Curve