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. 2022 Jul 27;13:888644. doi: 10.3389/fimmu.2022.888644

Figure 4.

Figure 4

Causal relationships of OSA on interleukin levels by Mendelian randomization (MR) analysis. (A) The design of MR analysis was to explore the causal effects of OSA on interleukin levels: OSA as exposure, interleukins as outcomes, and SNPs independently associated with OSA from the used GWAS summary statistic were used as instrumental variables. In addition, other assumptions include the used SNPs is not associated with the confounders between exposure and outcome, and there is no independent pathway between the used SNPs and the outcome other than through exposure. (B) The presented results were performed by method of inverse-variance weighting (IVW). IL, interleukin.