Table 1 The list of genome-wide summary association studies (GWAs) included in the Mendelian randomization (MR) study
Exposures | GWAS ID | Consortium | Sample size | No. of strongly related SNPs | Adjustment | Population |
|---|---|---|---|---|---|---|
Vitamin D intake | ukb-d-30890_irnt | UK biobank | 449,835 | 57 | Crohn’s disease, Ulcerative colitis, Helicobacter pylori infection, Acute gastroenteritis | European |
25-hydroxyvitamin D | ieu-b-4812 | UK biobank | 443,734 | 99 | ||
Outcomes | GWAS ID | Consortium | Cases | Control | Population | |
IBS | finn-b-K11_IBS | FinnGen biobank | 4605 | 182,423 | European | |
FD | finn-b-K11_FUNCDYSP | FinnGen biobank | 4376 | 189,695 | ||