Table 2.

Clinicopathologic characteristics of RCC patients by gankyrin expression in training data set (n = 124).

Characteristic	Gankyrin		Sum (124)	P value
	Low expression(n = 83)	High expression(n = 41)
Age				0.114
<60	37	24	61
≥60	46	17	63
Gender				0.182
Male	64	27	91
Female	19	14	33
Fuhrman				0.002
1	12	1	13
2	48	15	63
3	21	21	42
4	2	4	6
TNM stage				0.021
1–2	78	33	111
3	5	8	13
SSIGN				<0.001
1–4	83	31	114
≥5	0	10	10
Overall survival				<0.001
−	79	26	105
+	4	15	19
Progression free survival				<0.001
−	80	24	104
+	3	17	20

Statistical significance was calculated by chi-square test or fisher's exact test for categorical/binary measures.