Table 2

Per cent of first-time responders* with a ≥50% improvement from baseline in treatment cycles 1–3 for multiple headache outcome measures

≥50% First-time responders, variableOnabotulinumtoxinA (n=688)
Treatment cycle 1Treatment cycle 2Treatment cycle 3
Frequency of headache days, n (%)339 (49.3)78 (11.3)71 (10.3)
95% CI45.5% to 53.0%9.0% to 13.7%8.1% to 12.6%
Frequency of moderate/severe headache days, n (%)365 (53.1)90 (13.1)59 (8.6)
95% CI49.3% to 56.8%10.6% to 15.6%6.5% to 10.7%
Total cumulative hours of headache on headache days, n (%)373 (54.2)80 (11.6)51 (7.4)
95% CI50.5% to 57.9%9.2% to 14.0%5.5% to 9.4%
  • *First-time responders for a given time point are patients who never responded at any previous time points.