Sensitivity and specificity of the Patient Health Questionnaire (PHQ-9, PHQ-8, PHQ-2) and General Anxiety Disorder scale (GAD-7, GAD-2) for depression and anxiety diagnosis: a cross-sectional study in a Peruvian hospital population.
David Villarreal-ZegarraJuan Barrera-BegazoSharlyn Otazú-AlfaroNikol Mayo-PuchocJuan Carlos Bazo-AlvarezJeff Huarcaya-VictoriaPublished in: BMJ open (2023)
The PHQ and GAD have adequate measurement properties in their different versions. We present specific cut-offs for each version.