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Clinical and nonclinical predictors of test ordering in psychiatric emergency
Cédric Lemogne1, Elise Blandin, Marie-Jeanne Guedj
1CPOA, Sainte-Anne Hospital, 75014 Paris, France. cedric.lemogne@orange.fr
Objective:
This naturalistic prospective study explored the predictors of laboratory test ordering in a psychiatric emergency department.
Methods:
We used a standardized questionnaire to collect clinical and nonclinical features in 527 consecutive patients.
Results:
Test 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.
Conclusion:
Clinicians should be aware of possible biases when assessing the need of laboratory tests in patients presenting with psychiatric complaints.
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