Table 3.

Genomic coverage, mean r²between tagged SNPs and their tagSNPs (calculated as in the study by Barrett et al. 2006 [4]) and mean r²of all SNPs and their tagSNPs. Common SNPs with MAF ≥ 0.05 were evaluated using Phase II HapMap (v. 21) data

	CEU			JPT + CHB			YRI
	coverage (%)	mean r2 tagged SNPs	all SNPs	coverage (%)	mean r2 tagged SNPs	all SNPs	coverage (%)	SNPs	all SNPs
Illumina HumanHap 300	76	0.96	0.87	64	0.96	0.81	28	0.96	0.57
Illumina HumanHap 550	86	0.97	0.93	83	0.97	0.91	48	0.96	0.73
Affymetrix GeneChip 100 k	32	0.96	0.54	33	0.96	0.53	15	0.96	0.37
Affymetrix GeneChip 500 k	64	0.98	0.82	66	0.97	0.83	40	0.97	0.68