Fig. 2From: Zishen pingchan granules combined with pramipexole in the improvement of depressive symptoms in Parkinson's disease: a prospective, multicenter, randomized, double-blind, controlled clinical studyChange of the HAMD score from the baseline. a Primary endpoint: Change in the least-squares (LS) mean ± SE HAMD. (mITT population, repeated measure analysis of the covariance model, last observation carried forward). b Mean change of the HAMD from the baseline (mITT population, repeated measure analysis of the covariance model, last observation carried forward). SE, standard errorBack to article page