Table 1. Correlation of the expression of XIST with clinicopathologic features.

Variables		XIST expression		P
		High	Low
Age		45.65±13.38	42.36±18.22	0.459
Gender	female	18	16	0.719
	male	19	20
Lymph node metastasis	No	17	21	0.290
	Yes	20	15
Distant metastasis	No	18	19	0.724
	Yes	19	17
TNM stage	I + II	13	27	0.003
	III	11	5
	IV	13	4
Largest tumor dimension	< 3	9	24	<0.001
	≥ 3	28	12
Lymphatic invasion	No	22	18	0.417
	Yes	15	18
Vascular invasion	No	15	20	0.199
	Yes	22	16
Perineural invasion	No	20	17	0.559
	Yes	17	19