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Table 3 The ROC analyses of the GAD-7 and GAD-2 for the diagnosis of current GAD as determined by the MINI-Plus 5.0.0

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

  1. ROC reveiver operating characteristic, GAD-7 Generalized Anxiety Disorder-7, GAD-2 Generalized Anxiety Disorder-2, GAD Major Depressive Disorder, MINI-Plus 5.0.0 Mini International Neuropsychiatric Interview-Plus Version 5.0.0, PPV positive predictive value, NPV negative predictive value, AUC area under the curve