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Table 3 Positive predictive values (confidence intervals of 95%) for different Edinburgh Postnatal Depression Scale (EPDS) cutoff points, according to the prevalence of depression in the study population, Pelotas, 2012

From: Validation of the Edinburgh postnatal depression scale (EPDS) for screening of major depressive episode among adults from the general population

Cutoff point

Positive predictive value

EPDS ≥7

 

Prevalence of depression

 

5%

20.4 (16.5 – 24.9)

10%

35.1 (29.5 – 41.2)

15%

46.2 (39.9 – 52.6)

20%

54.9 (48.4 – 61.2)

25%

61.9 (55.6 – 67.7)

EPDS ≥8

 

Prevalence of depression

 

5%

24.4 (19.4 – 30.3)

10%

40.6 (33.7 – 47.8)

15%

52.0 (44.7 – 59.3)

20%

60.6 (53.3 – 67.4)

25%

67.2 (60.4 – 73.3)

EPDS ≥9

 

Prevalence of depression

 

5%

29.0 (22.2 – 36.9)

10%

46.3 (37.6 – 55.2)

15%

57.8 (48.9 – 66.2)

20%

66.0 (57.6 – 73.5)

25%

72.1 (64.4 – 78.7)

EPDS ≥10

 

Prevalence of depression

 

5%

31.2 (23.6 – 40.0)

10%

49.0 (39.5 – 58.5)

15%

60.4 (50.9 – 69.1)

20%

68.3 (59.5 – 76.0)

25%

74.2 (66.2 – 80.9)

EPDS ≥11

 

Prevalence of depression

 

5%

34.0 (25.1 – 44.2)

10%

52.1 (41.5 – 62.6)

15%

63.4 (52.9 – 72.7)

20%

71.0 (61.5 – 79.0)

25%

76.6 (68.0 – 83.4)

EPDS ≥12

 

Prevalence of depression

 

5%

35.9 (25.3 – 48.1)

10%

54.2 (41.8 – 66.2)

15%

65.3 (53.2 – 75.7)

20%

72.7 (61.7 – 81.5)

25%

78.0 (68.3 – 85.4)

EPDS ≥13

 

Prevalence of depression

 

5%

42.1 (28.3 – 57.2)

10%

60.5 (45.5 – 73.8)

15%

70.9 (57.0 – 81.8)

20%

77.5 (65.2 – 86.4)

25%

82.2 (71.5 - 89.4)