Alteration of protein expression pattern of vascular endothelial growth factor (VEGF) from soluble to cell-associated isoform during tumourigenesis

Table 2 Serum level of VEGF in colorectal and non-small cell lung cancer patients in comparison to healthy volunteers (p < 0.05 was considered significant)

Type of sample	No. of cases	VEGF concentration (pg/ml)	pvalue^a
Colorectal cancer patients	38	1,081 ± 652^b	<0.001
Lung cancer patients	18	1,251 ± 568	<0.001
Healthy volunteers	47	543 ± 344

ISSN: 1471-2407