Table 1 Patient characteristics

Number

21

19

Female, % (n)

90.48 (19)

78.95 (15)

^a0.3976

Age, mean ± SD (range), in years

39.1 ± 12,77 (19-62)

41.58 ± 11,43 (22-60)

^b0.5202

Migraine with and without aura, n

8

10

^a0.5254

Migraine without aura, n

13

9

Chronic migraine (ICHD-3), % (n)

42.86 (9)

21.05 (4)

^a0.1861

Episodic migraine (ICHD-3), % (n)

57.14 (12)

78.95 (15)

Baseline headache frequency, mean± SD (range), days/month

15.68 ± 8.29 (4-30)

13.26 ± 6.51 (6-28)

^c0.3775

Absolute reduction in monthly headache frequency after month two mean± SD (range), days/month

1.69 ± 3.88 (-6-9)

0.98 ± 3.49 (-6-11)

^b0.5302

Responder 30% / 50%, % (n)

33.33 (7) / 19.05 (4)

21.05 (4) / 5.26 (1)

^a1.00