Table 2.

Migraine frequency of both migraine groups for all measurement points

		n	Number of migraine attacks		Number of days with migraine
			M	SD	M	SD
1 (pre)	PMR	16	3.81	1.8	5.5	2.77
	Waiting-list	19	3.47	1.61	5.79	2.3
2 (post)	PMR	16	2.88	1.41	3.88	2.28
	Waiting-list	19	3.32	1.77	5.53	3.1
3 (follow-up)	PMR	16	2.25	1.34	3.13	1.93
	Waiting-list	19	3.53	1.98	5.26	2.2

n number of patients, M mean value, SD standard deviation