Table 1.

Patient and Tumor Variables by PRCC Tumor Type

	PRCC type 1 n = 21		PRCC type 2 n = 14		P value
		#	%	#		%
Gender
Male	16	76%	10	71%	1.000*
Female	5	24%	4	29%
Age, median (range)	54 (27–76)			69 (29–76)			0.006†
Tumor size, median (range)	3.0 (1.2–9.5)			4.8 (1.5–8.5)			0.380†
Fuhrman grade
1	12	57%	2	14%	0.003‡
2	6	29%	4	29%
3	3	14%	8	57%
Stage
I	9	43%	2	14%	0.090‡
II	12	57%	11	79%
III	-		1	7%

*,Fisher’s exact test;

^†, Mann-Whitney test; and

^‡, exact Wilcoxon rank sum test.