Volume 3, Issue 1, Pages 107-113 (January 2017) The prevalence and biomarkers’ characteristic of rapidly progressive Alzheimer's disease from the Alzheimer's Disease Neuroimaging Initiative database  Maowen Ba, Xiaofeng Li, Kok Pin Ng, Tharick A. Pascoal, Sulantha Mathotaarachchi, Pedro Rosa-Neto, Serge Gauthier  Alzheimer's & Dementia: Translational Research & Clinical Interventions  Volume 3, Issue 1, Pages 107-113 (January 2017) DOI: 10.1016/j.trci.2016.12.005 Copyright © 2017 The Authors Terms and Conditions

Fig. 1 Changes of ADAS-Cog 13 and FAQ measures over the 12 months in rpAD and non-rpAD. Results are mean ± standard deviation. P value was assessed using two-tailed Student t test for each variable; # and * denote that P values are statistically significant. Abbreviations: rpAD, rapidly progressive Alzheimer's disease; ADAS-Cog 13, Alzheimer's Disease Assessment Scale—Cognitive Subscale consisting of 13 items; FAQ, Functional Activity Questionnaire. Alzheimer's & Dementia: Translational Research & Clinical Interventions 2017 3, 107-113DOI: (10.1016/j.trci.2016.12.005) Copyright © 2017 The Authors Terms and Conditions