From: Cultural adaptation into Spanish of the generalized anxiety disorder-7 (GAD-7) scale as a screening tool
Cut-off point
Sensitivity
Specificity
PPV
NPV
Cases
8
93.4
85.8
88.6
92.9
53.8
9
91.5
90.6
90.7
91.4
50.5
10
86.8
87.6
46.7
11
79.2
95.3
94.4
82.1
42.0
12
74.5
96.2
95.2
79.1
39.2
13
67.9
97.2
96.0
75.2
35.4
14
62.3
100.0
72.6
31.1