Table 1. Correlation between USP2 mRNA expression and clinicopathological parameters of ccRCC patients.

Parameter	Number	USP2 mRNA expression		P value
		Low (n=262)	High (n=262)
Age (years)				0.430
<60	242	126	116
≥60	282	136	146
Gender				0.006
Male	339	185	154
Female	185	77	108
T stage				0.036
T1 + T2	336	156	180
T3 + T4	188	106	82
N stage				0.007
N0 + NX	509	249	260
N1	15	13	2
M stage				0.390
M0 + MX	446	219	227
M1	78	43	35
G stage				0.255
G1 + G2 + GX	244	115	129
G3 + G4	280	147	133
TNM stage				0.025
I + II	318	146	172
III + IV	206	116	90