Fig. 1
Baseline to year 1 change in neuropsychological scores by group. Error bars represent the 99% confidence interval. For TMT parts A and B, lower scores represent better (faster) performance. Raw scores have been adjusted for age, sex, and education. Abbreviations: MMSE, Mini-Mental State Examination; AVLT, Rey Auditory Verbal Learning Test; BNT, Boston Naming Test (30-item); TMT, Trail Making Test.
