From: Validation of the Generalized Anxiety Disorder-7 (GAD-7) and GAD-2 in patients with migraine
Cut off score | Sensitivity | Specificity | PPV | NPV | AUC | SE | 95 % CI | p value |
---|---|---|---|---|---|---|---|---|
GAD-7 | ||||||||
> 3 | 90.6 | 57.0 | 37.2 | 95.6 | 0.738 | 0.045 | 0.651–0.826 | <0.001 |
> 4 | 84.4 | 67.5 | 42.2 | 93.9 | 0.760 | 0.046 | 0.669–0.850 | <0.001 |
> 5 | 78.1 | 74.6 | 46.3 | 92.4 | 0.763 | 0.049 | 0.668–0.859 | <0.001 |
> 6 | 65.6 | 81.6 | 50.0 | 89.4 | 0.736 | 0.054 | 0.631–0.841 | <0.001 |
> 7 | 59.4 | 87.7 | 57.6 | 88.5 | 0.735 | 0.056 | 0.626–0.845 | <0.001 |
GAD-2 | ||||||||
> 0 | 93.8 | 46.5 | 33.0 | 96.4 | 0.701 | 0.046 | 0.611–0.791 | 0.001 |
> 1 | 84.4 | 72.8 | 46.6 | 94.3 | 0.786 | 0.045 | 0.698–0.874 | <0.001 |
> 2 | 53.1 | 89.5 | 58.6 | 87.2 | 0.713 | 0.058 | 0.600–0.826 | <0.001 |