Table 1 Studies and datasets used in the analysis.

From: Protective effect of uridine on atrial fibrillation: a Mendelian randomisation study

Data source

Phenotype

Sample size

Cases

Population

Adjustment

Metabolomics GWAS server

uridine

7824

European

Age, gender, and body mass index

GWAS meta-analysis (Nielsen et al.)

AF

1,030,836

60,620

European

Age, sex, and principal components 1–4

AF HRC

AF

588,190

65,446

91% European

Age, sex, and principal components 1–10

FinnGen

AF

164,491

28,670

European

Age, sex, and up to 20 genetic principal components

  1. AF atrial fibrillation, AF HRC Atrial Fibrillation Haplotype Reference Consortium.