Table 5.

Comparison of serum VEGF levels in patients with gastric cancer between different chemotherapy efficacy groups ($\stackrel{-}{x}\pm s$).

Efficacy	Number	VEGF (pg/mL)	t	p value
PD+SD	27	156.733 ± 101.262	2.652	0.011
PR+CR	15	79.364 ± 66.408

PD: progressive disease, SD: stable disease, PR: partial response, and CR: complete response.