Figure 3.

Proportion of patients with investigator-assessed symptoms in the week preceding the 6-month visit (pooled intention-to-treat population). Numbers (n) relate to patients without the individual symptom upon entering the 6-month maintenance phase. ^†p = 0.02, ^¥p = 0.002, ^‡p = 0.003, ^§p = 0.0001, ****p < 0.0001, all versus placebo.