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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Alzheimers Dement. 2014 Jul 9;11(4):394–403.e1. doi: 10.1016/j.jalz.2013.12.025

Figure 3. Braak and Braak stage for Alzheimer’s disease groups with cerebrovascular changes (AD+CVC) and without cerebrovascular changes (AD−CVC).

Figure 3

A. Proportion of participants in the AD+CVC and AD-CVC groups with lower versus higher severity of neurofibrillary tangle pathology as determined by Braak and Braak stage. Braak and Braak stages were divided into Low (stages IV and V) and High (stage VI). χ2 = 6.19 (p = .01) for comparison between AD-CVC and AD+CVC groups on low versus high Braak and Braak stages.

B. Proportion of participants in the AD+CVC and AD-CVC groups as a function of Braak and Braak stage (IV, V, or VI). χ2 = 6.99 (p = .03) for comparison between AD-CVC and AD+CVC groups on Braak and Braak stages (IV, V, or VI).