Fig. 1From: Sex hormone-binding globulin and arthritis: a Mendelian randomization studyCausal associations between SHBG concentrations and overall OA, RA, and AS. The number of genetic variants, effects, 95% confidence intervals, and P values of associations are contained. n_SNPs, the number of SNPs used as instrumental variables; Effect, the combined causal effect; CI, confidence interval; P value, P value of the causal estimateBack to article page