|  | PTEN |  | VEGF |  | ||||
---|---|---|---|---|---|---|---|---|---|
 | N(%) | Negative 26 | Mild 43 | Severe 71 | p | Negative 10 | Mild 28 | Severe 102 | p |
MVD | 140 | 51.9 ± 5.9 | 46.7 ± 3.6 | 41.3 ± 2.3 | 0.120 | 32.0 ± 6.3 | 44.4 ± 4.4 | 46.4 ± 2.3 | 0.175 |
Tumor size (mm) |  | 3.1 ± 0.2 | 2.8 ± 0.2 | 3.2 ± 0.1 | 0.311 | 1.9 ± 0.2 | 3.1 ± 0.2 | 3.1 ± 0.1 | 0.0006 |
Lymph node | Â | Â | Â | Â | 0.024 | Â | Â | Â | 0.048* |
   No | 91 | 18(20) | 34(37) | 39(43) |  | 10(11) | 20(22) | 61(67) |  |
   Yes | 49 | 7(14) | 9(19) | 33(67) |  | 0 | 8(16) | 41(84) |  |
Cartilage invasion | Â | Â | Â | Â | 0.128 | Â | Â | Â | 0.129* |
   No | 69 | 15(22) | 25(36) | 29(42) |  | 10(14) | 13(19) | 46(67) |  |
   Yes | 71 | 11(16) | 18(25) | 42(59) |  | 0 | 15(21) | 56(79) |  |