Table 2.

Attack frequency of migraines (numbers/month).

Group		Baseline	Post-Injection (Month)
			1	2	3	4
Placebo		7.5 ± 2.0	7.4 ± 3.2	7.1 ± 3.3	7.2 ± 3.0	7.4 ± 2.8
BoNTA	Fixed-sites	7.2 ± 1.7	4.0 ± 1.4 *	3.8 ± 1.6 *	3.6 ± 1.4 *	3.7 ± 1.3 *
	Acupoint-sites	7.6 ± 2.1	2.1 ± 1.0 *,†	1.8 ± 0.9 *,†	1.7 ± 0.8 *,†	1.9 ± 1.0 *,†

* p < 0.01, compared with placebo; ^† p < 0.01, compared with fixed-sites.