Table 1.

Correlations between genomic traits and expression traits

	Human				Mouse
	Expression level		Expression breadth		Expression level		Expression breadth
	Correlationa	P-valueb	Correlationa	P-valueb	Correlationa	P-valueb	Correlationa	P-valueb
Exon number	−4.9	**	1.6	NS	−0.7	NS	4.2	**
CDS length	−18.2	****	−6.3	***	−12.1	****	−3.6	*
5′-UTR	−3.8	**	0.2	NS	−2.9	*	0.4	NS
3′-UTR	−6.3	***	3.5	**	4.2	**	8.6	***
Intron length	−13.4	****	−2.1	*	−7.6	**	−2.7	*
Exon size	−19.2	****	−11.3	****	−17.7	****	−11.9	****
Intron size	−13.7	****	−4.0	**	−8.7	***	−6.1	**
GC3	3.7	**	−2.2	*	5.5	**	5.0	**
GCi	5.5	**	−1.9	NS	4.8	**	6.0	**
GCp	5.3	**	6.4	***	9.6	***	12.2	****
CAI	6.8	***	−1.0	NS	7.6	**	4.2	**
CpGO/E promoter	11.5	****	18.0	*, ****	20.2	****	27.3	****
CpGO/E intron	14.9	****	7.5	***	5.8	**	4.7	**
dN	−16.3	****	−15.8	****	−26.1	****	−26.1	****
dS	−3.7	*	−8.8	***	−3.5	*	−5.5	**
dN/dS	−16.7	****	−12.7	****	−25.5	****	−23.9	****
dI	−0.6	NS	−4.3	**	3.1	*	2.8	NS

Each variable has been transformed to improve normality. Pearson's correlation coefficients and P-values are shown.

^aCorrelation coefficients (×100).^bNS, P> 0.05.

*10⁻³< P≤ 0.05.

**10⁻⁸< P≤ 10⁻³.

***10⁻¹⁵< P≤ 10⁻⁸.

****P≤ 10⁻¹⁵.