Prognostic significance of S100A4 and vascular endothelial growth factor expression in pancreatic cancer

Table 3 Correlation between VEGF expression and clinicopathological parameters in pancreatic cancer, n (%)

Clinicopathological parameters	Cases (n)	VEGF expression		P value
		Positive	Negative
Age (yr)
≥ 70	24	17 (70.8)	7 (29.2)
< 70	38	20 (52.6)	18 (47.4)	> 0.05
Gender
Male	36	24 (66.7)	12 (33.3)
Female	26	13 (50)	13 (50)	> 0.05
Differentiation
Well	17	10 (58.8)	7 (41.2)
Moderately	15	8 (53.3)	7 (46.7)
Poorly	30	19 (63.3)	11 (36.7)	> 0.05
Tumor size (cm)
< 2.0	3	2 (66.7)	1 (33.3)
2.0-4.0	38	21 (55.3)	17 (44.7)
> 4.0	21	14 (66.7)	7 (33.3)	> 0.05
Lymph node metastasis
(-)	13	7 (53.8)	6 (46.2)
(+)	49	30 (61.2)	19 (38.8)	> 0.05
Distant metastasis
(-)	39	24 (61.5)	15 (38.5)
(+)	23	13 (56.5)	10 (43.5)	> 0.05
NM stage
I + II	30	17 (56.7)	13 (43.3)
III + IV	32	20 (62.5)	12 (37.5)	> 0.05

Significance was estimated with χ² test.