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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)