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["Table S1. Overview of the data sources of the instrumental variables used in the MR study."]
["Risk factors","SNP available","Outliers","Sample size","Ancestry","Units","Consortium"]
["Exposure"]
["Primary hypertension(Ben Elsworth et al., 2018)",72,0,{"v":463010,"d":"463,010"},"European","SD","UK Biobank"]
["Triglycerides(Richardson et al., 2020)",310,0,{"v":441016,"d":"441,016"},"European","NA","IEU OpenGWAS project"]
["Insomnia(Ben Elsworth et al., 2018)",42,0,{"v":462341,"d":"462,341"},"European","SD","UK Biobank"]
["Outcome"]
["spinal stenosis(Neale Lab et al., 2018)","NA","NA",{"v":361194,"d":"361,194"},"European","NA","UK Biobank"]
["SNP, single nucleotide polymorphism; Outliers, outlier SNPs detected by MR-PRESSO."]