From: Genetic evidence strengthens the bidirectional connection between gut microbiota and periodontitis: insights from a two-sample Mendelian randomization study
Traits
Year
Cohorts
Population
SNPs
PMID
Number
Age
Decent
Gut microbiota
2021
24
18,340
4–88
Mixed
5,717,754
33462485
Periodontitis
2019
6
35,096
18–93
European
10,800,407
31235808