Is the PHQ-9 a reliable and valid tool for screening and evaluating depression severity in patients with major depressive disorder in a psychiatric hospital?
The PHQ-9 is a simple, rapid, effective, and reliable tool for screening and evaluating the severity of depression in patients with MDD in psychiatric hospitals.
PHQ-9 showed good reliability and validity, and high adaptability for patients with MDD in psychiatric hospital. It is a simple, rapid, effective, and reliable tool for screening and evaluation of the severity of depression.
Sun et al. (Tue,) studied this question.
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