MAPT and Stroke: Similarly, in stroke patients alone, the plasma Aβ42/Aβ40, tau, tau/Aβ42, tau/Aβ40, and tau*Aβ42/Aβ40 levels were significantly correlated with the GDS score, DRS-2 total score, and DRS-2 I/P subtest score after age and education adjustment (Figure 2).