Figure 2. Correlations of DESY-PC and PHQ-9. The values in brackets are the values corrected for attenuation. The numbers were set to one if they exceeded this value. ***p<0.001. DESY-GP, Questionnaire for the assessment of DEpression SYmptoms in Primary Care, external rating part for general practitioners; DESY-PAT, Questionnaire for the assessment of DEpression SYmptoms in Primary Care, self-rating part for patients; DESY-PC, questionnaire with combined questionnaire parts for general practioners and patients; PHQ-9, Patient Health Questionnaire 9.