Table 1.

EZH2 expression and clinicopathological factors

				Expression of EZH2
Factors		Case	P-value	Low	%	High	%
Overall		40	n = 12		n = 28
Gender	Male	25	7	58	18	64	1.000
	Female	15	5	42	10	36
Age at surgery	<55	19	8	67	11	39	0.112
	>55	21	4	33	17	61
Size (mm)	<10	18	6	50	12	43	0.803
	10–30	13	3	25	10	36
	>30	9	3	25	6	21
Depth of tumour invasion	T = 1, 2	22	7	58	15	54	0.781
	T = 3, 4	18	5	42	13	46
Lymph node metastasis	Absent	25	9	75	16	57	0.453
	Present	13	3	25	10	36
	Unknown	2	0	0	2	7
Distant metastasis	Absent	15	5	42	10	36	1.000
	Present	25	7	58	18	64
Lymphatic permeation	Absent	22	6	50	16	57	0.677
	Present	18	6	50	12	43
Venous permeation	Absent	26	9	75	17	61	0.613
	Present	14	3	25	11	39
Tumour node metastasis stage	I, II	22	10	83	12	43	0.018
	III, IV	18	2	17	16	57
Grade	LGPUC	13	8	67	5	18	0.008
	HGUC	27	4	33	23	82