Table II.

Association between NDRG1 or VM and the clinicopathological parameters with gastric carcinoma.

	Tissue samples				Tissue samples
Variable	NDRG1 (n=125)	Non-NDRG1 (n=103)	χ2	P-value	VM (n=65)	Non-VM (n=163)	χ2	P-value
Age, years			0.469	0.507			3.050	0.105
<60	55	50			24	81
≥60	70	53			41	82
Sex			0.534	0.465			0.941	0.352
Male	87	67			47	107
Female	38	36			18	56
Tumor size, cm3			0.408	0.523			0.165	0.767
<3	55	41			26	70
≥3	70	62			39	93
Histological differentiation			8.353	0.005			4.660	0.040
I/II	75	42			26	91
III/IV	50	61			39	72
TNM stage			8.289	0.005			15.317	<0.0001
I/II	65	34			15	84
III/IV	60	69			50	79
Lauren type			4.080	0.046			5.635	0.018
Intestinal	75	48			27	96
Diffuse	50	55			38	67
Lymphatic metastasis			26.784	<0.0001			11.018	0.001
Positive	65	87			54	98
Negative	60	16			11	65
Distant metastasis			6.981	0.008			5.553	0.018
Positive	37	48			32	53
Negative	88	55			33	110
Metastasis and recurrence			11.255	0.001			17.137	<0.0001
Positive	45	60			44	61
Negative	80	43			21	102
HER2			6.826	0.032			10.320	0.005
0/1+	110	77			45	142
2+	9	17			12	14
3+	6	9			8	7

NDRG1, N-myc downstream regulated gene 1; VM, vasculogenic mimicry; TNM, Tumor-Node-Metastasis; HER2, human epidermal growth factor 2.