Objective To determine the accuracy of the Patient Health Questionnaire-9 (PHQ-9) for
screening to detect major depression. Design Individual participant data meta-analysis. Data …

Objective To update a previous individual participant data meta-analysis and determine the
accuracy of the Patient Health Questionnaire-9 (PHQ-9), the most commonly used …

Background: Screening for major depression with the Patient Health Questionnaire-9 (PHQ-
9) can be done using a cutoff or the PHQ-9 diagnostic algorithm. Many primary studies …

Importance The Patient Health Questionnaire depression module (PHQ-9) is a 9-item self-
administered instrument used for detecting depression and assessing severity of …

Background Depression is a leading cause of disability. International guidelines recommend
screening for depression and the Patient Health Questionnaire 9 (PHQ-9) has been …

Background: The brief Patient Health Questionnaire (PHQ-9) is commonly used to screen for
depression with 10 often recommended as the cut-off score. We summarized the …

Background Major depressive disorder (MDD) may be present in 10%–20% of patients in
medical settings. Routine depression screening is sometimes recommended to improve …

Objectives Depression symptom questionnaires are not for diagnostic classification. Patient
Health Questionnaire-9 (PHQ-9) scores≥ 10 are nonetheless often used to estimate …

Background The depression module of the Patient Health Questionnaire-9 (PHQ-9) is a
widely used depression screening instrument in nonpsychiatric settings. The PHQ-9 can be …

BackgroundThe Patient Health Questionnaire (PHQ) is the most commonly used measure to
screen for depression in primary care but there is still lack of clarity about its accuracy and …