Table 2.
Parameters used for the calculation of the Kruskal-Wallis (KW) test for the evaluation of the expression of vascular endothelial growth factor (VEGF), von Willebrand factor (vWF), and matrix metalloproteinase-9 (MMP-9) according to the grade of the inflammatory infiltrate
| Marker | Inflammatory infiltrate | n | Median | Q25-Q75 | Mean of the ranks | KW | p |
| VEGF | Grade Iª | 5 | 373.00 | 242.00 - 547.50 | 8.20 | 6.660 | 0.036 |
| Grade IIª | 8 | 412.00 | 245.00 - 636.50 | 12.88 | |||
| Grade IIIb | 17 | 611.00 | 549.50 - 682.50 | 18.88 | |||
| vWF | Grade Iª | 5 | 173.00 | 154.00 - 240.00 | 9.80 | 9.208 | 0.010 |
| Grade IIª | 8 | 191.00 | 139.75 - 220.75 | 10.00 | |||
| Grade IIIb | 17 | 257.00 | 218.50 - 342.50 | 19.76 | |||
| MMP-9 | Grade I | 5 | 1.0 | 1.0 - 2.0 | 8.70 | 5.492 | 0.064 |
| Grade II | 8 | 2.50 | 1.25 - 3.0 | 15.00 | |||
| Grade III | 17 | 3.0 | 2.0 - 3.0 | 17.74 |
Different superscript letters represent statistically significant difference