Figure 2. Percent of Patients of the Initial Cohort Remaining on Clobazam Over Time.

Kaplan-Meier curve for clobazam retention (solid line) with 95% confidence interval (red lines). Clobazam retention rates are approximately 80%, 70%, and 60% at the 3-month, 1-year, and 2-year marks, respectively. Few patients discontinued clobazam after the 2-year mark.