Computed tomography with carcinoembryonic antigen and carbohydrate antigen 19-9 in diagnosing lymph node metastasis of early gastric cancer

Table 1 Baseline characteristics of the two groups, mean ± SD

Groups	n	Gender		Age (years)	Site of tumor
		Male	Female		Gastric sinus	Gastric body	Cardia
Non-metastasis group	60	31	29	52.87 ± 12.55	37	13	10
Metastasis group	60	32	28	51.25 ± 13.13	40	14	6
χ2/t		0.33		0.6895
P value		0.855		0.4919