TABLE 1.

Characteristics of patients with KIRC.

Characteristics	Variable	Total	Percentages (%)
Age	≦65	352	65.55
	>65	185	35.45
Gender	Male	346	64.43
	Female	191	35.57
Grade	Grade 1	14	2.61
	Grade 2	230	42.83
	Grade 3	207	38.55
	Grade 4	78	14.52
	G X	5	0.93
	Unknown	3	0.56
Stage	Stage I	269	50.09
	Stage II	57	10.61
	Stage III	125	23.28
	Stage IV	83	15.46
	Unknown	3	0.56
T	T1	275	51.21
	T2	69	12.85
	T3	182	33.89
	T4	11	2.05
N	N0	240	44.69
	N1	17	3.17
	NX	280	52.14
M	M0	426	79.33
	M1	79	14.71
	MX	30	5.59
	Unknown	2	0.37
Survival rate	Survival	367	68.34
	Dead	170	31.66