Table 2.

Correlations between miR-21 expression and angiogenesis related markers

Molecular marker		Akt		PI3K		HIF1α		VEGF-A
	Compartment	Tumor	Stroma	Tumor	Stroma	Tumor	Stroma	Tumor	Stroma
A: Correlations in all 335 patients
miR-21	Tumor	P = 0.700		P = 0.488		P = 0.687		P = 0.751
	Stroma		P = 0.217		P = 0.655		P = 0.251		P = 0.622
B: Correlations in 232 node-negative patients
miR-21	Tumor	P = 0.736		P = 0.566		P = 0.473		P = 0.945
	Stroma		P = 0.692		P = 473		P = 0.685		P = 0.272
C: Correlations in 103 node-positive patients
miR-21	Tumor	P=0.735		P=0.701		P=0.751		P=0.685
	Stroma		P=0.112		P=0.722		P=0.144		P=0.192