Clinical efficacy of Fuzheng Jiedu Xiaoyong granules in advanced colorectal cancer (spleen deficiency and stasis toxin syndrome)

Table 2 Comparisons of tumor markers before and after treatment between the two groups

Group	n	CEA (ng/mL)		P value	CA199 (U/mL)		P value
		Before treatment	After treatment		Before treatment	After treatment
Treatment group	36	157.80 ± 220.10	54.70 ± 132.15a,b	0.023	224.09 ± 315.70	45.60 ± 77.96a,b	0.009
Control group	33	185.06 ± 307.65	82.32 ± 137.10b	0.049	213.36 ± 405.23	145.47 ± 294.89b	0.045
P value		0.343	0.041		0.866	0.046

^aP < 0.05 vs treatment group within the same group.

^bP < 0.05 vs pre-treatment within the same group.

CEA: Carcinoembryonic antigen; CA19-9: Carbohydrate antigen 19-9.