Table 1.

Association of PRMT1 expression with clinicopathological characteristics in 358 ccRCC patients

Characteristics	Patients		Tumoral PRMT1 expression
	n	%	Low	High	P
All patients	358	100	119	239
Gender					0.698
Male	254	70.9	86	168
Female	104	29.1	33	71
Age (years)					0.681
≤ 55	178	49.7	61	117
> 55	180	50.3	58	122
TNM stage					0.122
I+II	336	93.9	115	211
III+IV	22	6.1	4	18
Invasion depth (T stage)					0.402
T1+T2	344	96.1	116	228
T3+T4	14	3.9	3	11
Lymph nodes metastasis (N stage)					0.032*
N0	349	97.5	119	230
N1	9	2.5	0	9
Distant metastasis (M stage)					0.668
M0	352	98.3	118	234
M1	6	1.7	1	5
Pathological grade					0.027*
I+II	293	81.8	105	188
III+IV	65	18.2	14	51
Tumor size (cm)					0.682
≤ 4	186	52	60	126
> 5	172	48	59	113

*P < 0.05 indicates a significant association among the variables.