fig2
![Secondary analysis reveals gut microbiota differences in patients with Parkinson's disease and/or cognitive impairment](https://image.oaes.cc/c6ee8b35-4c5c-4b4a-a4b6-3c169900bfe9/mrr3035.fig.2.jpg)
Figure 2. Differences in brain MRI scans between groups. Significant differences were found in Wilcoxon tests, and the corresponding P values are shown. PD: PD patients with normal cognition; PD-CI: PD patients with cognitive impairment; R: right; L: left; DWMH: deep white matter hyperintensity; GM: gray matter; PVH: periventricular hyperintensity; MRI: magnetic resonance imaging.