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Published Online:https://doi.org/10.1026/0012-1924.50.4.171

Zusammenfassung. Ziel dieser Studie ist die Validierung der deutschen Version des “Patient Health Questionnaire (PHQ-D)“. Der PHQ wurde zum praktikablen Screening psychischer Störungen für die Primärmedizin entwickelt und erfasst direkt die diagnostischen Kriterien des DSM-IV. N = 357 allgemeinmedizinische/internistische Patienten und N = 171 psychosomatische Patienten wurden mit dem PHQ-D und dem Strukturierten Klinischen Interview für DSM-IV (SKID-I) untersucht, wobei das SKID-I als diagnostischer Goldstandard diente. Ärzte und Patienten wurden zur Akzeptanz des PHQ-D befragt. Eine ausgezeichnete Kriteriumsvalidität des PHQ-D zeigte sich insbesondere bei der Diagnose der Major Depression, wo die Sensitivität für die medizinische Stichprobe bei 95% und die Spezifität bei 86% lag. Gute teststatistische Werte ergaben sich u.a. auch für die Panikstörung. Die Anwendung des PHQ-D wurde von jeweils mehr als 90% der Patienten und Ärzte gut akzeptiert. Mit dem PHQ-D liegt ein praktikables, valides und gut akzeptiertes Instrument zur Anwendung in Forschung und klinischer Praxis vor. Sein Einsatz kann zur verbesserten Versorgung psychischer Störungen beitragen.


Screening for psychiatric disorders with the Patient Health Questionnaire (PHQ). Results from the German validation study

Abstract. The aim of this study was to validate the German version of the “Patient Health Questionnaire (PHQ)”. The PHQ has been developed to screen for mental disorders in primary care, using diagnostic criteria from the DSM-IV. Three hundred and fifty-seven medical outpatients and 171 psychosomatic outpatients completed the PHQ and the Structured Clinical Interview for DSM-IV (SCID), the latter serving as criterion standard. Acceptability of the PHQ as the screening instrument was investigated for physicians and patients. For the diagnosis of major depressive disorder, the PHQ showed excellent criterion validity (medical patients: sensitivity, 95%; specificity, 86%). Good operating characteristics were also found for the diagnosis of panic disorder. The use of the PHQ was well accepted by more than 90% of both physicians and patients. Overall, the PHQ is a valid, effective, and well accepted diagnostic tool for use in research and clinical practice. Its’ application in primary care and other clinical settings might contribute to better diagnosis and treatment of mental disorders.

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