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Table 1 Description of GWAS used for each phenotype

From: Serum vitamin D levels and Sjogren’s syndrome: bi-directional Mendelian randomization analysis

Phenotype

Data sources

Sample size

SNPs (n)

Ancestry

25(OH)D

UK Biobank

417,580

8,806,780

European

SS

FinnGen

416,757 (2495 cases; 414,262 controls)

16,383,308

European

  1. GWAS Genome-wide association studies, 25(OH)D 25-hydroxyvitamin D, SS Sjogren’s syndrome, SNPs, Single nucleotide polymorphisms