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Table 1 Demographics data of study participants and headache profiles of patients.

From: Abnormal cortical responses to somatosensory stimulation in medication-overuse headache

 

HV (n = 42)

MOii (n = 41)

MOi (n = 23)

MOH (n = 29)

Triptans (n = 9)

NSAIDs (n = 10)

Both (n = 10)

Women (n)

26

23

20

23

7

8

8

Age (years)

32 ± 13

34 ± 9

33 ± 12

35 ± 11

32 ± 8

35 ± 9

34 ± 12

Duration of history of migraine (years)

 

18.0 ± 12.7

16.7 ± 10.9

18.4 ± 11.0

18.3 ± 9.6

22.4 ± 9.2

13.0 ± 13.7

Days with headache/month (n)

 

2.1 ± 1.9

3.5 ± 2.3

25.9 ± 6.1

22.1 ± 6.2

25.0 ± 7.4

29.4 ± 1.6

Severity of headache attacks (0-10)

 

6.8 ± 0.8

7.2 ± 1.2

7.2 ± 0.8

7.4 ± 1.1

7.2 ± 0.5

7.1 ± 0.8

Nausea/vomiting (n)

 

25

16

24

8

9

7

Photophobia (n)

 

37

21

27

8

10

9

Phonophobia (n)

 

31

20

27

7

10

10

Pulsating (n)

 

38

21

26

9

9

8

Duration of the chronic headache (years)

   

3.0 ± 3.2

1.9 ± 1.8

3.5 ± 3.1

3.3 ± 3.9

Tablet intake/month (n)

   

74.2 ± 80.8

28.7 ± 16.3

50.5 ± 38.5

127.3 ± 106.5

Motor threshold (mA)

8.4 ± 1.3

8.6 ± 1.3

8.5 ± 1.5

8.7 ± 1.2

8.8 ± 1.3

9.1 ± 1.1

8.3 ± 1.1

  1. Data expressed as mean ± SD. HV healthy volunteers; MOii episodic migraneurs without aura studied interictally; MOi episodic migraneurs without aura studied ictally; N number of subjects