Table 2.

Clinicopathological features and expression levels of PTEN, MLH1, DNMT3B in endometrial carcinoma.

Variable		DNMT3B		PTEN		hMLH1
		Normal	Overexpress	Loss	Normal	Loss	Normal
Ethnic group	Han	43	49	40	52	23	69
	Uygur	18	44	40	22	10	52
	P	0.001		0.010		0.188
Histological type	ECs	37	65	59	74	23	79
	NECs	24	28	21	31	10	42
	P	0.236		0.040		0.635
Grade (ECs)	Low	23	26	30	19	13	36
	High	14	39	29	24	10	42
	P	0.031		0.506		0.355
Myometrial invasion*	<1/2	43	56	53	46	24	75
	≥1/2	11	26	18	19	7	30
	P	0.146		0.612		0.510
Lymph node metastases**	No	28	46	35	39	14	60
	Yes	3	10	8	5	2	11
	P	0.305		0.344		0.762
Vessel invasion*	No	45	65	56	54	27	83
	Yes	9	17	15	11	4	22
	P	0.555		0.533		0.317
Stage*	I–II	46	67	59	54	26	87
	III–IV	8	15	12	11	5	18
	P	0.597		0.997		0.895
ER	Negative	20	37	28	29	11	46
	Positive	41	56	52	45	22	75
	P	0.379		0.591		0.621
PR	Negative	22	38	29	31	15	45
	Positive	39	55	51	43	18	76
	P	0.551		0.473		0.388

^*136 patients received hysterectomy;

^**87 patients received lymphadenectomy.