Effect of Traditional Chinese Medicine Combined with Bladder Perfusion with Hydroxycamptothecin on Color Ultrasound and Clinical Efficacy in Patients with Bladder Cancer Surgery

Table 4

Comparison of serum VEGF levels between the two groups before and after treatment.

Group	Before treatment	Three months after treatment	Six months after treatment	Twelve months after treatment
Observation group	388.5 ± 98.4	346.3 ± 114.4	349.7 ± 110.8	308.2 ± 152.8
Control group	389.7 ± 99.7	378.9 ± 130.7	388.7 ± 102.6	356.3 ± 159.2
t	0.597	1.598	2.445	2.014
p	0.551	0.097	0.021	0.049