The psychometric properties of the Migraine-Specific Quality of Life Questionnaire version 2.1 (MSQ) in chronic migraine patients.

Qual Life Res · 2013 · PMC3664759 · PMID 22797868

Europe PMC DOI

hedged sentences

0.0010

closest p · 0.0× alpha

0.0010

boldest claim

The sentences

highly significantp < 0.001actually significant

This effect was highly significant ( p < 0.001) in both studies and for all three MSQ scales even after controlling for medication overuse.

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a decreasing trendno p-value reported

Similarly, a decreasing trend in mean MSQ scale scores among patients with a greater number of headache hours was also observed.

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