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. Author manuscript; available in PMC: 2023 Jun 1.
Published in final edited form as: Curr Psychol. 2020 Jul 2;41(6):3797–3805. doi: 10.1007/s12144-020-00882-2

Table 4.

Sensitivity and specificity for detecting past-12-monthmajor depressive disorder (as measured by the CIDI) across various cutpoint scores of the PHQ-9 (N = 1098)

Cutpoint
score
Prevalence
at cutpoint,
%
Sensitivity, %
(95% CI)
N false
negative
Specificity, %
(95% CI)
N false
positive
Positive LR
(95% CI)
Negative LR
(95% CI)
PPV, %
(95% CI)
NPV, %
(95% CI)
≥4 79 95 (91, 99) 5 22 (20, 25) 768 1.2 (1.2, 1.3) 0.21 (0.087, 0.49) 12 (9.8, 14) 98 (96, 99.7)
≥5 67 89 (83, 95) 12 36 (33, 39) 633 1.4 (1.3, 1.5) 0.31 (0.18, 0.52) 13 (11, 16) 97 (95, 99)
≥6 54 80 (72, 87) 22 48 (45, 52) 510 1.5 (1.4, 1.7) 0.42 (0.29, 0.61) 15 (12, 17) 96 (94, 97)
≥7 47 71 (62, 79) 32 56 (53, 59) 434 1.6 (1.4, 1.9) 0.52 (0.39, 0.70) 15 (12, 18) 95 (93, 96)
≥8 40 61 (51, 70) 43 62 (59, 65) 372 1.6 (1.4, 1.9) 0.63 (0.50, 0.80) 15 (12, 18) 93 (92, 95)
≥9 34 55 46, 64) 49 68 (65, .71) 313 1.7 (1.4, 2.1) 0.66 (0.53, 0.81) 16 (12, 20) 93 (91, 95)
≥10 28 49 (39, 58) 56 74 (71, 77) 258 1.9 (1.5, 2.3) 0.70 (0.58, 0.84) 17 (13, 21) 93 (91, 95)
≥11 25 38 (29, 47) 68 77 (74, 80) 228 1.6 (1.2, 2.1) 0.81 (0.70, 0.94) 15 (11, 20) 92 (90, 94)
≥12 21 33 (24, 42) 73 80 (78, 83) 196 1.7 (1.2, 2.2) 0.84 (0.73, 0.96) 16 (11, 20) 92 (90, 93)
≥13 18 28 (19, 36) 79 83 (81, 86) 166 1.6 (1.2, 2.3) 0.87 (0.77, 0.98) 15 (10, 20) 91 (89, 93)
≥14 15 22 (14, 30) 85 85 (83, 88) 145 1.5 (1.0, 2.2) 0.91 (0.82, 1.0) 14 (8.9, 19) 91 (89, 93)
≥15 11 17 (10, 25) 92 87 (85, 90) 105 1.4 (.89, 2.2) 0.94 (0.86, 1.0) 13 (7.7, 19) 91 (89, 92)

CI = confidence interval, LR = likelihood ratio, NPV = negative predictive value, PPV = positive predictive value