Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13195-016-0214-x/MediaObjects/13195_2016_214_Fig4_HTML.gif)
a Mean difference of DAD score by MMSE score and memantine. Two sites (049134 and 049137) excluded from the analysis due to GCP noncompliance. b Mean difference of DAD score by median age and memantine. Two sites (049134 and 049137) excluded from the analysis due to GCP noncompliance. Median DAD score = 62.16. c Mean difference of DAD score by DAD score and memantine. DAD Disability Assessment for Dementia, diff difference, MMSE Mini-Mental State Examination, lcl lower confidence limit, ucl upper confidence limit