Table 2. Univariate analysis of VEGF-A expression and the various clinicopathological factors.

		VEGF-A
Variable	Number of patients	<Median	⩾Median	P-value
Clinical stage				NS
T1–T2	17	8 (47%)	9 (53%)
T3–T4	37	19 (51%)	18 (49%)
Nodal stage				NS
N0	18	8 (44%)	10 (56%)
N+	36	19 (53%)	17 (47%)
Differentiation stage				0.05
High	14	9 (64%)	5 (36%)
Moderate	18	9 (50%)	9 (50%)
Low	21	8 (38%)	13 (62%)

NS: not significant; VEGF-A: Vascular endothelial growth factor A.