Table 2.

Plasma VEGF concentrations of patients in each group

Groups	n	VEGF (pg/ml)
B type ALL de novo patients	21	362.49 ± 195.68a
T type ALL de novo patients	8	412.73 ± 178.25a
AML patients	6	494.19 ± 186.23a
Relapse (refractory) patients	6	574.37 ± 278.45a,b
Remission group	20	135.80 ± 111.28
Healthy children	10	91.16 ± 41.34

^a P < 0.01, when compared with the healthy children;

^b P < 0.01, when compared with the remission group.