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Table 3 Psychometric properts of Patient Health Questionnaire (PHQ-9) for major depressive disorder (Composite International Diagnostic Interview), n = 125

From: Detection of depression in low resource settings: validation of the Patient Health Questionnaire (PHQ-9) and cultural concepts of distress in Nepal

 

True Positive Cases

True Negative Cases

Sensitivity

Specificity

Positive Predictive Value

Negative Predictive Value

Positive Likelihood Ratio

Negative Likelihood Ratio

Diagnostic Odds Ratio

Youden’s Index (J)

PHQ -9 Cut Off Score

          

 ≥ 7

17

59

1.00

0.55

0.26

1.00

2.20

0.00

n/a

0.55

 ≥ 8

17

67

1.00

0.62

0.29

1.00

2.63

0.00

n/a

0.62

 ≥ 9

16

75

0.94

0.69

0.33

0.99

3.08

0.08

36.36

0.63

 ≥ 10

16

86

0.94

0.80

0.42

0.99

4.62

0.07

62.55

0.74

 ≥ 11

15

90

0.88

0.83

0.45

0.98

5.29

0.14

37.50

0.71

 ≥ 12

15

94

0.88

0.87

0.52

0.98

6.81

0.14

50.36

0.75

 ≥ 13

14

97

0.82

0.90

0.56

0.97

8.09

0.20

41.15

0.72

 ≥ 14

12

98

0.71

0.91

0.55

0.95

7.62

0.32

23.52

0.62

 ≥ 15

10

103

0.59

0.95

0.67

0.94

12.71

0.43

29.43

0.54

Heart-mind (man) problems

16

29

0.94

0.27

0.17

0.97

1.29

0.22

5.87

0.21

Brain-mind (dimaag) problems

9

103

0.47

0.97

0.75

0.91

16.74

0.54

30.90

0.44

Algorithm

15

90

0.88

0.83

0.45

0.98

5.29

0.14

37.50

0.71