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Table 2 The hypergeometric test for the partition effect of the deacetylation sites. For every correlation threshold, the number of pair-wise correlations for the adjacent genes separated by deacetylation sites that are above the threshold was counted. The probability of randomly drawing such low numbers of gene pairs above the threshold from all of the adjacent gene pairs is determined by a hypergeometric distribution.

From: Gene expression analysis reveals that histone deacetylation sites may serve as partitions of chromatin gene expression domains

Total neighboring gene pairs

Neighboring gene pairs separated by deacetylation sites

Threshold for correlations

Number of neighboring gene pairs above the threshold

Number of neighboring gene pairs separated by deacetylation sites above the threshold

P-values based on the hypergeometric tests

6,116

1,558

0.5

752

161

0.00322

  

0.6

401

73

0.000231

  

0.7

196

26

0.0000167

  

0.8

68

5

0.000120

  

0.9

13

0

0.0218