From: Current major depressive syndrome measured with the Patient Health Questionnaire-9 (PHQ-9) and the Composite International Diagnostic Interview (CIDI): results from a cross-sectional population-based study of adults in Germany
% (95% CI)
PHQ-MDS classified as CIDI-MDS
54.5 (42.7-65.9)
Non-PHQ-MDS classified as non-CIDI-MDS
97.5 (96.6-98.1)
CIDI-MDS classified as PHQ-MDS
37.9 (27.8-49.1)
Non-CIDI-MDS classified as non-PHQ-MDS
98.7 (98.2-99.1)