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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 ★★★★★★☆
blinded comparison of a 3 item migraine screening tool with a diagnosis of migraine headache made by headache experts.
27 primary care practices and 12 headache speciality practice sites in the US.
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 …
For correspondence: Dr R B Lipton, Albert Einstein College of Medicine, New York, NY, USA.
Source of funding: Pfizer Inc.