highly significantp < 0.000
Medication (analgesics, triptans, ergotamine) was used by 98.7 % of the patients at baseline and by 89.9 % of patients at the 1-year follow-up with a highly significant reduction in the number of days with medication use per month (pre: M = 10.92 ± 7.31; follow-up: 3.99 ± 3.62; ( t = 9.686, df = 157, p < 0.000).