Table 1.

Correlation between DUSP-9 expression and clinical pathologic features of the patients with clear cell renal cell carcinoma

Clinical-pathologic variables	n	DUSP-9 expression		χ2	p
		Low	High
All cases	211	117	94	4.667	0.031
Male	140	85	55
Female	71	32	39
Age (yrs)				0.417	0.518
> 50	104	60	44
≤ 50	107	57	50
Pathologic stage				17.112	0.001
I	128	58	70
II	23	13	10
III	31	22	9
IV	29	24	5
Fuhrman Grade				14.492	0.002
I	39	28	11
II	123	72	51
III	34	10	24
IV	15	7	8
Tumor size (cm)				10.906	0.001
≤7	136	64	72
>7	75	53	22
T stage				14.914	0.001
T1	135	63	72
T2	35	21	14
T3, T4	41	33	8
N stage				6.248	0.012
N0	184	96	88
N+	27	21	6
Metastasis				7.708	0.005
No	188	98	90
Yes	23	19	4
Recurrence				24.050	<0.001
No	181	88	93
Yes	30	29	1