Table 4 Comparisons of mean CD31 and D2-40 microvessel density, visually and image cytometrically, with immunohistochemical expression of vascular endothelial growth factor (expressed as Pearson's correlations with associated P-values)
VEGF expression | Microvessel density technique | |||
---|---|---|---|---|
CD31 (visual) | D2-40 (visual) | CD31 (image cytometric) | D2-40 (image cytometric) | |
Malignant cells | 0.235 (P=0.2204) | −0.29 (P=0.1333) | −0.1081 (P=0.5841) | 0.1517 (P=0.4410) |
Intratumoral vascular endothelium | 0.275 (P=0.1574) | 0.07 (P=0.7081) | 0.1634 (P=0.4154) | 0.1914 (P=0.3390) |
Peritumoral vascular endothelium | 0.493 (P =0.0170) | 0.35 (P=0.1060) | 0.4864 (P =0.0217) | 0.6325 (P =0.0012) |