Table 1 Literature prevalence of migraine in patients with epilepsy

Schon and Blau 1987 [5]

100

39/61

32 mean

Interview

9 %

Ottman and Lipton 1994 [6]

1948

40 %/60 %

≥18

Structured telephone interviews + medical records review for 60 % of probands

24 %

Ito and Shachter 1996 [7]

162

82/80

19-65 range

Questionnaires mailed to the subjects + medical records review

NA^a

Ito et al. 1999 [8]

109

36/73

38 ± 12 mean^b

Questionnaire + interview + medical records review

12.8 %

Velioglu and Ozmenoglu 1999[9]

412

212/200

15-70 range

Interview with a standardized questionnaire

14 %

Leniger et al. 2001 [10]

341

154/187

40 ± 15 mean

Interview with a standardized questionnaire

18.2 %

Karaali Savrun et al. 2002 [11]

135

80/55

≥10

Questionnaire administered to patients

14.8 %

Förderreuther et al. 2002 [12]

110

69/41

35.2 mean

Semi-standardized interview

10 %^b

Ito et al. 2004 [13]

364

163/201

12-81 range

Structured interview with standardized questionnaire

8 %

Syvertsen et al. 2007 [14]

109

44/65

20-71 range

Questionnaire + semi-structured telephonic interview

20 %

Kwan et al. 2008 [15]

227

98/129

36.0 ± 11.3 mean

Interview with standardized questionnaire + seizures and headache diary over the 3-month observation period + final interview

6.6 %^b

HELP Study Group 2010 [16]

597

348/249

≥13

Questionnaire at initial visit

12.4 %

Tonini et al. 2012 [17]

492^c

154/338

≥18

Direct interview with questionnaire

18.3 %^b

Duchaczek et al. 2012 [18]

201

106/95

≥18

Semi-structured interview

11 %

Winawer et al. 2013 [19]

730^d

285/445

≥12

Telephone or in-person interview + medical record abstraction

25.2 %^e

Gameleira et al. 2013 [20]

304

141/163

4-88 range

Patients evaluated at the epilepsy clinic

32.9 %^f

Wang et al. 2014 [21]

1109

607/502

≥18

Self-administered questionnaire + standardized semi-structured telephone interview

12.53 %