• Gen Hosp Psychiatry · Jul 2008

    Comparative Study

    Clinical and nonclinical predictors of test ordering in psychiatric emergency.

    • Cédric Lemogne, Elise Blandin, and Marie-Jeanne Guedj.
    • CPOA, Sainte-Anne Hospital, 75014 Paris, France. cedric.lemogne@orange.fr
    • Gen Hosp Psychiatry. 2008 Jul 1;30(4):356-9.

    ObjectiveThis naturalistic prospective study explored the predictors of laboratory test ordering in a psychiatric emergency department.MethodsWe used a standardized questionnaire to collect clinical and nonclinical features in 527 consecutive patients.ResultsTest ordering was independently predicted by age, spoken language, referral by relatives, eating disorders, and somatic complaints. Having been referred by a general practitioner predicted test ordering only in the absence of a clinical report. Alcohol- and substance-related symptoms predicted test ordering only in patients older than 35 years. Age did not predict test ordering in patients consulting for anxiety or suicidal ideation.ConclusionClinicians should be aware of possible biases when assessing the need of laboratory tests in patients presenting with psychiatric complaints.

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