Table 2.

Plasma levels of amyloid, tau, and tau/amyloid ratio.

Subject	Amyloid, pg/ml	Tau, pg/ml	Tau/amyloid ratio
Alzheimer’s disease	174.87 ± 62.15	451.76 ± 240.82	3.08 ± 2.35
Control	90.62 ± 42.35	836.93 ± 369.31	13.36 ± 4.42

The values are articulated as mean ± SD.