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Table 4 HIT-6 score before and after treatment with BOTOX

From: Prospective analysis of the use of OnabotulinumtoxinA (BOTOX) in the treatment of chronic migraine; real-life data in 254 patients from Hull, UK

Outcome

n

Before treatment mean (SD)

After treatment mean (SD)

Change mean (95% CI)

p-value

HIT6 score

177

68.9 (4.3)

59.2 (8.2)

-9.7 (-11.0, -8.4)

<0.001