• W de Cruppé, O von dem Knesebeck, E Gerstenberger, C Link, L Marceau, J Siegrist, M Geraedts, and J McKinlay.
• Institut für Gesundheitssystemforschung, Universität Witten/Herdecke. Werner.deCruppe@uni-wh.de
• Dtsch. Med. Wochenschr. 2011 Feb 1; 136 (8): 359364359-64.

BackgroundPatient and physician attributes influence medical decisions as non-medical factors. The current study examines the influence of patient age and gender and physicians' gender and years of clinical experience on medical decision making in patients with undiagnosed diabetes type 2.MethodA factorial experiment was conducted to estimate the influence of patient and physician attributes. An identical physician patient encounter with a patient presenting with diabetes symptoms was videotaped with varying patient attributes. Professional actors played the “patients”. A sample of 64 randomly chosen and stratified (gender and years of experience) primary care physicians was interviewed about the presented videos.ResultsResults show few significant differences in diagnostic decisions: Younger patients were asked more frequently about psychosocial problems while with older patients a cancer diagnosis was more often taken into consideration. Female physicians made an earlier second appointment date compared to male physicians. Physicians with more years of professional experience considered more often diabetes as the diagnosis than physicians with less experience.ConclusionMedical decision making in patients with diabetes type 2 is only marginally influenced by patients' and physicians' characteristics under study.© Georg Thieme Verlag KG Stuttgart · New York.

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