Nineteen established CRC risk variants identified by GWAS and their proxies considered in this study.

a<p>Position based on dbSNP build 130.</p>b<p>Major allele/minor allele among Europeans.</p>c<p>Minor allele frequencies from published reports.</p>d<p>Linkage disequilibrium between SNP and proxy in HapMap CEU.</p>e<p>Not on Affymetrix 6.0 array.</p>f<p>Excluded from analysis as proxy r²<0.90.