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Q In an outpatient primary care setting, what is the accuracy of a brief screening instrument (developed from the International Headache Society [IHS] criteria for migraine) that uses self report for detecting migraine headaches?
Clinical impact ratings GP/FP/Primary care ★★★★★★☆
METHODS
Design:
blinded comparison of a 3 item migraine screening tool with a diagnosis of migraine headache made by headache experts.
Setting:
27 primary care practices and 12 headache speciality practice sites in the US.
Patients:
451 patients 18–55 years of age (mean age 39 y, 76% women) who presented for routine primary care appointments and reported ⩾2 headaches in the past 3 months. Exclusion criteria included inability to read and write English, previous diagnosis of migraine, and participation in a previous Pfizer sponsored migraine study.
Description of test:
initially, patients completed a 9 item migraine screener—a self rated paper and pencil questionnaire developed by a consensus panel and based on IHS criteria for migraine headaches. An item …
Footnotes
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For correspondence: Dr R B Lipton, Albert Einstein College of Medicine, New York, NY, USA. rliptonaecom.yu.edu
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Source of funding: Pfizer Inc.