12th European Headache Federation Congress jointly with 32nd National Congress of the Italian Society for the Study of Headaches

Table 1 (abstract O33). Estimated Number of Menstrual-Related Migraine Headache Days

Period	Treatment	N	Estimated Number of MRMHDs per 30 day Period (SE)	95% CI	Rate Ratio per 30 day period	95% CI	P-value
ITT patients with baseline number of MRMHDs >0 for Episodic Migraine
Average of Month 1 to 6	PBO	321	1.58 (0.13)	1.34, 1.86
	120mg	170	1.16 (0.12)	0.96, 1.41	0.74	0.64, 0.85	<0.001
	240mg	159	1.12 (0.12)	0.90, 1.38	0.71	0.60, 0.83	<0.001
ITT patients with baseline number of MRMHDs >0 for Chronic Migraine
Average of Month 1 to 3	PBO	198	3.52 (0.18)	3.18, 3.90
	120mg	112	2.58 (0.21)	2.58, 3.40	0.84	0.73, 0.97	0.015
	240mg	97	3.01 (0.20)	2.64, 3.42	0.85	0.75, 0.98	0.021

MRMHD Menstrual-Related Migraine Headache Days, CI confidence interval, ITT intent-to-treat, MM menstrual migraine, PBO placebo, SE standard error

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