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Genotype frequency in patients with rheumatoid arthritis according to interstitial lung disease (ILD) status.
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Odds ratio (OR) and 95% confidence interval (CI) calculated using unadjusted logistic regression. All genetic variants were analyzed assuming autosomal dominant inheritance.
Abbreviations: ILD (interstitial lung disease), OR (odds ratio), CI (confidence interval), SNP (single nucleotide polymorphism), SE (shared epitope)
