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Fig. 5 | The Journal of Headache and Pain

Fig. 5

From: Long-term study of the efficacy and safety of OnabotulinumtoxinA for the prevention of chronic migraine: COMPEL study

Fig. 5

Long-term effect of onabotulinumtoxinA by country. a) HIT-6 total score and b) change in HIT-6 total score vs baseline, depicting the outcomes after 5 (wk 60) and 9 (wk 180) treatments. HIT-6 = 6-item Headache Impact Test. *Indicates P < 0.001 vs baseline; paired t-test used to compare visit to baseline. †Indicates P = 0.0008 for comparison between subgroups; 1-way analysis of variance

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The Journal of Headache and Pain

ISSN: 1129-2377

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