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Table 2 Reasons for discontinuation of onabotulinumtoxinA treatment (n = 9)

From: Sustained onabotulinumtoxinA therapeutic benefits in patients with chronic migraine over 3 years of treatment

Reasons for discontinuation of Onabotulinumtoxin-A treatment N (%)
Lost to follow-up 3 (33.3%)
Financial limitations 1 (11.1%)
Patients significantly improved/ No additional sessions were needed 5 (55.5%)
  1. T1, T2: Follow up after 9 and 24 months, respectively