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. 2017 Feb 7;17(Suppl 1):19. doi: 10.1186/s12862-016-0864-0

Table 3.

2×2 contingency tables of 100 kb bins distribution for human, mouse, and dog

Human Mouse Dog
No genes At least 1 gene No genes At least 1 gene No genes At least 1 gene
no CGIs 12,684 4759 13,276 4910 11,309 3454
at least 1 CGI 2267 9544 1259 7184 3361 8896
χ 2 = 8071 χ 2 = 7848 χ 2 = 6528

df = 1 P < 1E-306* for all Pearson 2×2 table chi-square tests

*P value was calculated for χ 2 = 1200 only due to the floating point accuracy limit (32 bits word size) for values greater than that