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Table 2 ECM1 expression in breast cancer specimens, normal epithelium and lymph nodes

From: Expression and clinical significance of extracellular matrix protein 1 and vascular endothelial growth factor-C in lymphatic metastasis of human breast cancer

  

ECM1 mRNA expression

 

Positive

Staining grades of ECM1

 

Tissue type

N

 

F

rate (%)

-

+

++

+++

χ 2

Cancer tissues

41

1.25 ± 0.33A

 

75.6D

10

22

7

2

 

Normal tissues

41

0.46 ± 0.10B

 

9.8E

37

3

1

0

 

Lymph nodes

41

0.38 ± 0.18C

4.86**

31.7F

28

9

3

1

39.08**

  1. ** P < 0.01, P < 0.05 is considered statistically significant
  2. "+", "++" and "+++" for ECM1 immunochemistry staining was all grouped together as "+"
  3. A vs. B and A vs. C: P < 0.05, respectively; B vs. C: P > 0.05
  4. χ 2 division:α = 0.05/4 = 0.0125; D vs. E and D vs. F: P < 0.001, respectively; E vs. F: P > 0.0125