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

Table 4 Differences in serum tumor marker levels between patients with gastric cancer and patients with benign gastric disease

Groups	CA724	CA19-9	CA242	CEA
Observation group	17.45 ± 1.25	16.83 ± 1.92	30.15 ± 4.45	27.92 ± 5.26
Gontrol group	1.63 ± 0.37	1.45 ± 0.25	3.82 ± 0.49	4.75 ± 0.44
t	17.28	15.66	11.63	19.02
P value	< 0.001	< 0.001	< 0.001	< 0.001

CEA: Carcinoembryonic antigen.