From: Refractory migraine in a headache clinic population
RM
R-CM
without MOH
with MOH
n
2
10
5
Age, mean (range)
34.5 (24-43)
38 (28-48)
42.3 (31-60)
49.8 (36-66)
MIDAS score, mean (range)
56 (50-62)
65 (50-80)
92.5 (45-105)
131.6 (94-180)