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. 2023 May 23;24(1):59. doi: 10.1186/s10194-023-01593-2

Table 2.

Disease characteristics at baseline. Categorical data are shown by N (%), metric data by µ ± SD. Percentages may not sum up to 100% in case of missing data

Parameter Switch (N = 153)
Migraine Classification
 CM 73 (47.7%)
 EM 80 (52.3%)
 High Frequency EMa 57 (37.3%)
 Low Frequency EMa 23 (15.0%)
Number of migraine days in 28 days prior to first dose
 Total 13.6 ± 6.5
 CM 17.7 ± 6.2
 EM 9.9 ± 4.1

aEM patients with ≥ 8 days during the 28 days baseline period were regarded as “high frequency”, < 8 days as “low frequency”