Salivary Acetylcholinesterase Activity Is Increased in Parkinson’s Disease: A Potential Marker of Parasympathetic Dysfunction

Figure 2

Salivary AChE activity (a), TP concentration (b), and AChE/TP ratio (c) in 30 PD patients and 49 control subjects. (Three TP outliers in the PD group not shown on graph).

(a)

(b)

(c)