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Table 1 Statistical significance of associations with CpG islands, CAGE tag shape classes, promoter expression, and imprinting candidates

From: Dynamic usage of transcription start sites within core promoters

   Positional bias Regional bias Other
CpG islands CpG 4.11 × 10-25* 1.65 × 10-56* 1.00
  Not CpG 1.00 1.00 2.22 × 10-113*
CAGE tag shape class Single dominant peak 1.00 1.00 2.13 × 10-182*
  Broad distribution with a dominant peak 1.92 × 10-02 3.72 × 10-01 9.89 × 10-01
  Multimodal Distribution 2.37 × 10-12* 1.49 × 10-02 1.00
  General broad Distribution 6.70 × 10-01 3.19 × 10-79* 1.00
Imprinting candidates Maternal imprinting candidates 7.94 × 10-01 1.86 × 10-04* 9.97 × 10-01
  Paternal imprinting candidates 6.65 × 10-04* 2.77 × 10-01 1.00
  Not candidates 9.69 × 10-01 9.99 × 10-01 7.08 × 10-06*
  1. Shown are the levels of statistical significance (P values) of associations with CpG islands, CAGE tag shape classes, promoter expression, and imprinting candidates, where the Fisher's exact test is used for the null hypothesis that the two examined sets do not have any positive associations. *Statistically significant findings. CAGE, cap analysis of gene expression.