Minimal important change and responsiveness of the Migraine Disability Assessment Score (MIDAS) questionnaire.
Gabriela Ferreira CarvalhoKerstin LuedtkeTobias BraunPublished in: The journal of headache and pain (2021)
This study showed that MIDAS has a limited responsiveness to change. A change of 4.5 points or more represents a clinically important change for patients with high frequent migraine and chronic migraine receiving non-pharmacological treatment.