Table 1. Characteristics of the patients with RCC and correlations between subcellular pontin expression and clinicopathological variables (n = 95).

Variables	No. of pts	Cytoplasmic pontin expression		P-value	Nuclear pontin expression		P-value
		High	Low		High	Low
Patients' age
≥ 55 Years	38	9	29	0.511	9	29	0.229
< 55 Years	57	17	40		8	49
Gender
Male	75	19	56	0.389	15	60	0.512
Female	20	7	13		2	18
T stage
T1	41	8	33	0.057	9	23	0.351
T2	22	4	18		5	17
T3	21	8	13		1	20
T4	11	6	5		2	9
N stage
N0	84	22	62	0.486	15	69	0.979
N1,2	11	4	7		2	9
M stage
M0	83	19	64	0.010	13	70	0.218
M1	12	7	5		4	8
TNM stage
I,II	56	10	46	0.003	11	45	0.594
III,IV	39	16	23		6	33
Histological grade
G1,2	47	8	39	0.025	4	43	0.030
G3,4	48	18	30		13	35
Histological type
Clear cell	68	17	51	0.168	12	56	0.849
Papillary	13	6	7		3	10
Chromophobe	10	1	9		1	9
Unclassified	4	2	2		1	3

Abbreviations: RCC = renal cell carcinoma.