Table 1.

Number of prior prophylactic treatments and headache days per month at baseline.

Number of prior prophylactics	n (%)
Number of prior prophylactic drugs (n = 119)
0	4 (3.4%)
1	15 (12.6%)
2	17 (14.3%)
3	28 (23.5%)
4	17 (14.3%)
5	13 (10.9%)
6	11 (9.2%)
7	8 (6.7%)
8	2 (1.7%)
9	2 (1.7%)
10	0 (0%)
11	1 (0.8%)
12	0 (0%)
13	1 (0.8%)

Number of days	N (%)
Headache days per month at baseline (n = 118)
0–5	1 (0.8%)
6–10	23 (19.5%)
11–15	19 (16.1%)
16–20	23 (19.5%)
21–25	8 (6.8%)
26–30	44 (37.3%)