Fig. 1From: Assessing the causal associations of sleep apnea with mental health and socioeconomic status: a bidirectional two-sample Mendelian randomizationFlowchart of MR analysis in this study. GWAS, genome-wide association studies; IV, instrumental variables; MAF, minor allele frequency; SNPs, single-nucleotide polymorphisms; MR analysis, Mendelian randomization analysisBack to article page