Figure 3.

Least squares mean change from baseline in PD Symptom Diary measures over time. Error bars indicate standard error. P‐values from a repeated measure model that included fixed effects of study site and visit, with baseline score as a covariate, and the baseline‐by‐visit interaction indicate statistically significant mean change from baseline to final scores of P < 0.01 (**) and P < 0.001 (***). Abbreviations: BL, baseline; LS, least squares; PD, Parkinson's disease; TSD, troublesome dyskinesia