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Table 1 The GWAS data source details in our study

From: Causality between rheumatoid arthritis and the risk of cognitive impairment: a Mendelian randomization study

Phenotype

Data source

Consortium

PMID

Sample size

Ancestry

Rheumatoid arthritis

GWAS catalog

NA

36333501

97,173

European

Rheumatoid arthritis

IEU OpenGWAS

NA

33310728

58,284

European

Rheumatoid arthritis

IEU OpenGWAS

NA

23143596

47,580

European

Cognitive performance

IEU OpenGWAS

SSGAC

30038396

257,841

European

Cognitive function

IEU OpenGWAS

Within family GWAS consortium

35534559

22,593

European