Fig. 1From: Causal effects of COVID-19 on structural changes in specific brain regions: a Mendelian randomization studyOverall design of the MR analysis in the present study. Abbreviations: COVID-19, coronavirus disease 2019; IVW, inverse-variance weighted; MR, Mendelian randomization; MR-PRESSO, Mendelian randomization-pleiotropy residual sum and outlier; nSNPs, number of single-nucleotide polymorphismsBack to article page