Fig. 3.
Mean Mattis Dementia Rating Scale (MDRS) scores achieved by patients with frontotemporal dementia (FTD; squares) or Alzheimer’s disease (AD; triangles) at baseline evaluation (year 1) and annual follow-up (year 2). Error bars denote SEM. *Significant Group × Year interaction (p < .05), indicating faster decline in FTD than AD patients.