From: Validation of the Patient Health Questionnaire-9 (PHQ-9) and PHQ-2 in patients with migraine
Cut off score | Sensitivity | Specificity | PPV | NPV | AUC | SE | 95 % CI | p value |
---|---|---|---|---|---|---|---|---|
PHQ-9 | ||||||||
>5 | 87.2 | 67.3 | 53.1 | 92.6 | 0.775 | 0.043 | 0.690–0.859 | <0.001 |
>6 | 82.1 | 75.3 | 58.2 | 90.9 | 0.787 | 0.044 | 0.700–0.873 | <0.001 |
>7 | 79.5 | 81.7 | 64.6 | 90.5 | 0.806 | 0.044 | 0.720–0.892 | <0.001 |
>8 | 71.8 | 87.1 | 70.0 | 88.0 | 0.794 | 0.047 | 0.702–0.887 | <0.001 |
>9 | 64.1 | 90.3 | 73.5 | 85.7 | 0.772 | 0.050 | 0.674–0.870 | <0.001 |
PHQ-2 | ||||||||
>1 | 89.7 | 63.4 | 50.7 | 93.7 | 0.766 | 0.043 | 0.682–0.850 | <0.001 |
>2 | 66.7 | 90.3 | 74.3 | 86.6 | 0.785 | 0.049 | 0.689–0.881 | <0.001 |
>3 | 48.7 | 97.8 | 90.5 | 82.0 | 0.733 | 0.054 | 0.626–0.839 | <0.001 |