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Table 1 (abstract P27). Mean change from baseline for headache day frequency and number of moderate/severe headaches in onabotulinumtoxinA-treated patients with and without a history of medication overuse

From: 12th European Headache Federation Congress jointly with 32nd National Congress of the Italian Society for the Study of Headaches

Variable Medication Overuse (n=456) No Medication Overuse (n=259)
Headache day frequency, d, mean (SD)
 Week 60 –10.1 (6.8) –10.3 (7.6)
 Week 108 –11.4 (7.2) –12.5 (7.5)
Moderate/severe headache days, d, mean (SD)
 Week 60 –8.8 (6.1) –8.7 (6.2)
 Week 108 –10.1 (7.0) –10.0 (7.2)