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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