Figure 1. Mini-mental state examination (MMSE) and clinical dementia rating scale sum of boxes (CDR-SB) scores in the study groups. (A) Difference in the MMSE and CDR-SB scores before and after FMT. (B) Difference in the MMSE and CDR-SB scores before and after CDI. **P < 0.05, ***P > 0.05.