Analysis result of the local region of the BD data set located by rs668860, rs10873672 and rs6691970. (a) The enriched signal after imputation: The intensity shows -log10P given by the joint regression. (b) The LD structure of this local area. (c) The -log10P value obtained using single-SNP analysis. (d) The locations of rs668860, rs10873672 and rs6691970.