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. 2023 Jan 17;13:936. doi: 10.1038/s41598-023-28153-7

Figure 1.

Figure 1

Schematic representation of overall study design. (a) Schematic representation of univariable Mendelian randomization analysis for education. (b) Schematic representation of multivariable Mendelian randomization analysis for education. (c) Schematic representation of univariable Mendelian randomization analysis for risk factors of cardiovascular disease. (d) Schematic representation of mediation analysis of the mediation effect of considered cardiovascular risk factors on education–cervical spondylosis risk.