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Table 2 Migraine frequency of both migraine groups for all measurement points

From: Progressive muscle relaxation reduces migraine frequency and normalizes amplitudes of contingent negative variation (CNV)

  

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

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