3.1 Selection of instrumental variables associated with gut
microbiota
After the screening of the genome-wide significance threshold, LD test,
harmonization, MR-PRESSO test, and F statistics, multiple SNPs were
obtained as their proxies for these 196 bacterial taxa for further
analysis, including 8 Class.
Melainabacteria, 5 Genus. Butyricicoccus, 4 Genus. Catenibacterium, 9
Genus. Oscillibacter, 11 Genus.Ruminiclostridium5, 10 Genus.
Ruminococcaceae UCG-003, 8 Order. Bacillales, and 8
Order. Gastranaerophilales.