Table 1. Correlation between NKX2.1 expression and clinicopathological variables of 205 gastric cancer cases.

Clinicopathological parameters	n a	NKX2.1 Expression		χ2	P Value
		Low	High
All	205	87	118
Age (years)
<55	84	25	59	9.363	0.002*
≥55	121	62	59
Gender				0.031	0.861
Male	74	32	42
Female	131	55	76
Tumor size				8.088	0.004*
<3 cm	40	9	31
≥3 cm	165	78	87
Tumor infiltration				24.503	<0.001*
T1	32	5	27
T2	22	3	19
T3	16	9	7
T4a	104	51	53
T4b	31	19	12
Local lymph node metastasis				3.468	0.325
N0	66	24	42
N1	38	19	19
N2	39	14	25
N3	62	30	32
Distant metastasis				0.257	0.612
M0	184	77	107
M1	21	10	11
TNM staging				21.330	<0.001*
I	42	5	37
II	38	22	16
III	104	50	54
IV	21	10	11

^aNumbers of cases in each group.

*Statistically significant (P<0.05).