Table I.

Associations between TRAF6 expression and clinicopathological factors in urothelial bladder cancer.

		TRAF6 expression
Parameters	n	Low	High	P-valuea
Sex				0.229
Male	99	35	64
Female	27	13	14
Age				0.246
<60	43	13	30
≥60	63	15	48
Tumor diameter, cm				0.856
≤3	64	25	39
>3	62	23	39
Tumor number				0.218
Single	105	43	62
Multiple	21	5	16
Metastasis status				0.001
Negative	116	48	68
Positive	10	0	10
Tumor stage				0.828
Ta-T1	97	38	59
T2-T4	29	10	19
Tumor gradeb				0.196
Low	51	23	28
High	75	25	50

^aMean P-values calculated using χ² test.

^bDetermined according to WHO 2004 classification (35). TRAF6, TNF receptor-associated factor 6.