Evaluation of the value of combined detection of tumor markers CA724, carcinoembryonic antigen, CA242, and CA19-9 in gastric cancer

Table 2 Comparison of the diagnostic results of different indicators against the results of pathologic tissues

Groups	CA724		CA19-9		CA242		CEA		Combined detection		Total
	Positive	Negative	Positive	Negative	Positive	Negative	Positive	Negative	Positive	Negative
Positive	61	19	61	19	69	11	61	19	79	1	80
Negative	14	66	17	63	14	66	18	62	2	78	80
Total	75	85	78	82	83	77	79	81	81	79	160

CEA: Carcinoembryonic antigen.