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Table 2 Average characteristics of OP and random groups and results of their comparison using Mann–Whitney U test

From: Implications of human genome structural heterogeneity: functionally related genes tend to reside in organizationally similar genomic regions

Group characteristics Mean ± SE Z P
  OP groups Random groups   
-log10(p-value) [Benjamini] 3.15 ± 0.25 2.27 ± 0.09 2.719 0.0065
Number of GO terms 7.11 ± 1.81 4.14 ± 0.62 2.502 0.0124
No of segments with GO connected genes 46.6 ± 16.3 16.8 ± 4.3 2.565 0.0103
Ratio of involved segments/all segments in the cluster 0.071 ± 0.021 0.032 ± 0.012 2.923 0.0035