Why the study?
What is the optimal cut-off score for diagnosing major depressive disorder using the Patient Health Questionnaire (PHQ-9)?
Population
Populations being screened for major depressive disorder
Design
Meta-analysis
Authors
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PHQ-9 cut-offs 8-11 support MDD screening in practice; confirms acceptable pooled accuracy across validation studies.
What is the optimal cut-off score for diagnosing major depressive disorder using the Patient Health Questionnaire (PHQ-9)?
The PHQ-9 demonstrates acceptable diagnostic accuracy for major depressive disorder when utilizing cut-off scores between 8 and 11.
Manea et al. (2011) studied this question.
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