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Table 2 Performance of tSNP sets selected from the four HapMap populations.

From: An evaluation of the performance of HapMap SNP data in a Shanghai Chinese population: Analyses of allele frequency, linkage disequilibrium pattern and tagging SNPs transferability on chromosome 1q21-q25

Population   r2 = 0.8 r2 = 0.5
  Number of SNPs analyzed Number and percentage of tSNPs selected Percentage of SNPs captured Tagging efficiency Number and percentage of tSNPs selected Percentage of SNPs captured Tagging efficiency
CHB 2590 1287(49.7%) 0.938 1.889 852(32.9%) 0.669 2.036
JPT 2566 1277(49.8%) 0.932 1.872 820(32.0%) 0.654 2.045
CEU 2474 1272(51.4%) 0.897 1.744 886(35.8%) 0.710 1.982
YRI 2069 1509(72.9%) 0.977 1.340 1184(57.2%) 0.902 1.576