From: Coexpression of VEGF-C and COX-2 and its association with lymphangiogenesis in human breast cancer
 |  | VEGF-C Expression |  | COX-2 Expression |  | ||
---|---|---|---|---|---|---|---|
Factor | No. of cases | Low | High | P value | Low | High | P value |
LVD |  | 9.63 ± 5.09 | 12.83 ± 5.27 | 0.007a | 9.17 ± 5.07 | 11.96 ± 5.32 | 0.012a |
Age | Â | Â | Â | Â | Â | Â | Â |
   ≤ 50 | 40 | 23 | 17 | 0.944 | 12 | 28 | 0.383 |
   > 50 | 30 | 17 | 13 |  | 12 | 18 |  |
Tumor size | Â | Â | Â | Â | Â | Â | Â |
   ≤ 2 | 28 | 18 | 10 | 0.324 | 10 | 18 | 0.837 |
   > 2 | 42 | 22 | 20 |  | 14 | 28 |  |
Hisyological grade | Â | Â | Â | Â | Â | Â | Â |
   G1 and G2 | 41 | 31 | 10 | < 0.001 | 17 | 24 | 0.132 |
   G3 | 29 | 9 | 20 |  | 7 | 22 |  |
Lymph node metastasis | Â | Â | Â | Â | Â | Â | Â |
   Positive | 32 | 13 | 19 | 0.010 | 6 | 26 | 0.012 |
   Negative | 38 | 27 | 11 |  | 18 | 20 |  |
Histology | Â | Â | Â | Â | Â | Â | Â |
   IDS, NOS | 59 | 32 | 27 | 0.420 | 19 | 40 | 0.614 |
   Others | 11 | 8 | 3 |  | 5 | 6 |  |
ER | Â | Â | Â | Â | Â | Â | Â |
   Positive | 54 | 32 | 22 | 0.511 | 22 | 32 | 0.037 |
   Negative | 16 | 8 | 8 |  | 2 | 14 |  |
PR | Â | Â | Â | Â | Â | Â | Â |
   Positive | 46 | 27 | 19 | 0.716 | 19 | 27 | 0.087 |
   Negative | 24 | 13 | 11 |  | 5 | 19 |  |
c-erbB-2 | Â | Â | Â | Â | Â | Â | Â |
   Positive | 13 | 6 | 7 | 0.375 | 2 | 11 | 0.205 |
   Negative | 57 | 34 | 23 |  | 22 | 35 |  |
LVI | Â | Â | Â | Â | Â | Â | Â |
   Positive | 25 | 10 | 15 | 0.031 | 4 | 21 | 0.016 |
   Negative | 45 | 30 | 15 |  | 20 | 25 |  |