Table 1.

Correlation between PP2A expression and clinic pathological characteristics of ccRCC patients

Parameters	Group	Total	PP2A expression		P value
			High	Low
Gender	Male	58	30	28	0.212
	Female	48	19	29
Age (years)	<65	57	25	32	0.917
	≥65	49	21	28
Histological grade	I-II	41	26	15	0.005
	III-IV	65	23	42
Tumor size (cm)	<4 cm	67	36	31	0.452
	≥4 cm	39	18	21
Tumor stage	T1-T2	62	30	32	0.947
	T3-T4	44	21	23
Lymph nodes metastasis	Absence	88	42	46	0.015
	Presence	18	3	15
Distant metastasis	Absence	92	41	51	0.008
	Presence	14	1	13