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Table 3 VEGF-C 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

   VEGF-CmRNA expression   Positive Staining grades of VEGF-C  
Tissue type N   F rate (%) - + ++ +++ χ 2
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***
  1. *** P < 0.001, P < 0.05 is considered statistically significant
  2. "+", "++" and "+++" for VEGF-C immunochemistry staining was all grouped together as "+"
  3. A vs. B and A vs. C: P < 0.01, 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 < 0.01, respectively; E vs. F: P > 0.0125