Assessing the Diagnostic Accuracy of an On-line Questionnaire for Diagnosis of Primary Headache Disorders
NCT03304886 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 250
Last updated 2020-10-14
Summary
Purpose of the study is to assess the diagnostic accuracy of an on- line questionnaire in comparison to a semi-structured interview administered by a trained interviewer.
Conditions
- Headache Disorders
Sponsors & Collaborators
- lead OTHER
Principal Investigators
-
Robert Cowan, MD, FAAN · Stanford University
Eligibility
- Min Age
- 18 Years
- Max Age
- 65 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2018-02-28
- Primary Completion
- 2019-10-30
- Completion
- 2019-12-30
Countries
- United States
Study Locations
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