Fig. 1From: Serum short-chain fatty acids and its correlation with motor and non-motor symptoms in Parkinson’s disease patientsComparison of peripheral serum concentrations of acetic acid, propionic acid, butyric acid, and isobutyric acid (A) as well as isovaleric acid, pentanoic acid, isocaproic acid, caproic acid, and heptanoic acid (B) between PD and control participants. Green represents control (n = 50) and red is PD patients (n = 50). *, P < 0.0056 (0.05/9)Back to article page