Table 3

VEGF-C expression in breast cancer specimens, normal epithelium and lymph nodes

VEGF-C mRNA expression

Positive

Staining grades of VEGF-C


Tissue type

N

F

rate (%)

-

+

++

+++

χ2


Cancer tissues

41

2.63 ± 0.32A

80.5D

8

20

9

4

Normal tissues

41

1.08 ± 0.17B

46.3E

22

17

2

0

Lymph nodes

41

1.33 ± 0.17C

15.05***

36.6F

26

10

3

2

23.08***


*** P < 0.001, P < 0.05 is considered statistically significant

"+", "++" and "+++" for VEGF-C immunochemistry staining was all grouped together as "+"

A vs. B and A vs. C: P < 0.01, respectively; B vs. C: P > 0.05

χ2 division:α = 0.05/4 = 0.0125; D vs. E and D vs. F: P < 0.01, respectively; E vs. F: P > 0.0125

Wu et al. BMC Cancer 2012 12:47   doi:10.1186/1471-2407-12-47

Open Data