Table 1.

Clinical characteristics of normal volunteers and GC patients

Characteristics	GC patients (N = 36)		Normal subjects (N = 32)		P value
	N	%	N	%
Age (years)
≤  50	14	38.89	18	26.25	0.224
>  50	22	61.11	14	43.75
Gender
Male	20	55.56	19	59.37	0.809
Female	16	44.44	13	10.63
Differentiation
1–2	19	52.78
3–4	17	47.22
TMN stage
1–2	15	41.67
3–4	21	58.33
Tumor size (cm)
≤ 5	17	47.22
> 5	19	52.78
Metastasis
Yes	20	55.56
No	16	44.44