MAPT and Alzheimer disease: In addition, nominally significant associations (p = 0.03–0.05), not holding after correction for multiple testing, were found between rs3773970 and Aβ42 levels, as well as between rs4687151 and tau levels, in individuals with AD, and between rs12053868 and tau levels, as well as between rs4687151 and both Aβ42 and tau levels, in dementia free individuals (see Table 2).