Fig. 5From: Relationships of gut microbiota, short-chain fatty acids, inflammation, and the gut barrier in Parkinson’s diseaseLinear modeling for alpha diversity showing effects of PD/control status and sex. a Stool calprotectin and inverse Simpson index and b propionic acid and Shannon index for male and female PD patients (n=26 female, 29 male) and control subjects (n=29 female, 27 male)Back to article page