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. 2006 Sep 19;7:238. doi: 10.1186/1471-2164-7-238

Table 4.

Performance of HapMap-NIEHS overlap SNPs in HapMap and NIEHS dataset

HapMap NIEHS
Population Num SNPs Mean-r 2 Min-r 2 Coverage Num SNPs Mean-r 2 Min-r 2 Coverage
European 3691 0.885 0.000 82.6% 6292 0.619 0.002 55.7%
Asian 3041 0.887 0.009 84.8% 5963 0.608 0.000 56.2%
African 3400 0.833 0.000 73.4% 10177 0.454 0.000 34.5%

Overlapping SNPs in both datasets are used to determine the comprehensiveness of dataset. The overlapping SNPs provide higher coverage when applied to HapMap dataset compare to NIEHS dataset. In addition, the total number of SNPs in NIEHS is much more than the total number of SNPs in HapMap.