What is the optimal cut-off score for diagnosing major depressive disorder using the Patient Health Questionnaire (PHQ-9)?
Populations being screened for major depressive disorder
Patient Health Questionnaire (PHQ-9) with cut-off scores between 8 and 11
Diagnostic properties for detecting major depressive disorder
The PHQ-9 demonstrates acceptable diagnostic accuracy for major depressive disorder when utilizing cut-off scores between 8 and 11.
The PHQ-9 was found to have acceptable diagnostic properties for detecting major depressive disorder for cut-off scores between 8 and 11. Authors of future validation studies should consistently report the outcomes for different cut-off scores.
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Laura Manea
Simon Gilbody
Dean McMillan
Canadian Medical Association Journal
University of York
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Manea et al. (Mon,) studied this question.
www.synapsesocial.com/papers/69d7d063a2a48916bbbedd0f — DOI: https://doi.org/10.1503/cmaj.110829