Table 5. Correlation analyses between angiogenic markers and miR-155 expression in NSCLC patients.

	miR-155
	Total cohort (n = 335)	N0 (n = 232)	N+ (n = 103)
VEGF-A	r = 0.09, P = 0.11	r = 0.05, P = 0.50	r = 0.18, P = 0.07
PDGF-B	r = 0.04, P = 0.49	r = 0.06, P = 0.37	r = 0.01, P = 0.96
HIF-1α	r = 0.02, P = 0.68	r = 0.02, P = 0.75	r = −0.1, P = 0.27
FGF2	r = 0.17, P = 0.002	r = 0.06, P = 0.35	r = 0.34, P<0.001

Abbreviations: VEGF-A, vascular endothelial growth factor-A; PDGF-B, platelet derived factor -B; HIF-1α, hypoxia inducible factor 1α; FGF2, fibroblast growth factor 2; N0, lymph node negative patients; N+, lymph node positive patients.