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
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) |