Table 3.

Correlation analysis of HIF-1α/2α expression and R2a^* and ΔR2^*

	ΔR2*		HIF-1α		HIF-2α
	r	P	r	P	r	P
R2a*	-0.48	0.0032	0.04	0.79	0.47	0.0029
ΔR2*			0.27	0.17	0.38	0.0044