approached significancep = 0.0931
A significant difference was found in the percent decrease in pTau217 ( p = 0.0135) between cognitive groups, and the difference in pTau181 between groups approached significance ( p = 0.0931). pTau217 percent change and pTau181 percent change were positively correlated ( p < 0.001, R 2 = 0.614).