Figure 1. Linkage disequilibrium patterns of the region around the IL23R and 17A gene in the Chinese Han population.

Numbers indicate the extent of D’ between 2 SNPs and in the dark area which have no digital respective D’ = 1. Dark color indicates strong connection. Three linkage disequilibrium blocks were found in IL23R, and one LD block was in IL17A. A, LD patterns of IL23R. B, LD patterns of IL17A.