Clinical Efficacy and Adverse Reactions of Bevacizumab plus Radiochemotherapy in the Treatment of Advanced Gastric Cancer

Table 3

Comparison of serum tumor marker levels before and after treatment in the two groups ().

Groups	n	CEA (mg/L)		CA199 (mg/L)
		Before treatment	After treatment	Before treatment	After treatment
Research group	43	66.59 ± 10.32	18.25 ± 4.14	413.78 ± 47.89	168.49 ± 28.35
Control group	43	67.14 ± 10.47	32.68 ± 3.89	415.35 ± 48.62	257.67 ± 29.51
t		0.245	16.657	0.151	14.291
		0.807	≤0.001	0.881	≤0.001

 < 0.05 in comparison with the same group before treatment. CEA, carcinoembryonic antigen; CA199, glycoantigen 199.