From: CpG island density and its correlations with genomic features in mammalian genomes
 | Gene-associated CGIs (24,228) | Intergenic CGIs (13,026) | Intragenic CGIs (12,136) | TSS CGIs (11,192) | ||||
---|---|---|---|---|---|---|---|---|
 | r | P | r | P | r | P | r | P |
Log10(chromosome size) | -0.54 | 3.9 × 10-3 | -0.55 | 3.4 × 10-3 | -0.55 | 3.1 × 10-3 | -0.51 | 7.0 × 10-3 |
GC content | 0.88 | 1.7 × 10-8 | 0.87 | 2.9 × 10-8 | 0.85 | 1.9 × 10-7 | 0.91 | 5.4 × 10-10 |
ObsCpG/ExpCpG | 0.92 | 1.5 × 10-10 | 0.91 | 8.3 × 10-10 | 0.92 | 2.5 × 10-10 | 0.91 | 1.0 × 10-9 |