| Characteristic | Chronical migraine | Episodic migraine |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Source
Release date
May 2011
Region
United States
Survey time period
2011
Supplementary notes
* All values are based on a web-based study from February-April 2009. This study used data collected in the U.S. and Canada from 1,886 participants.
** ED: emergency department
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