Table 1 Baseline patient characteristics

Age at time of surgery

60.1

49.8

52.9

Percent female

35.4

37.0

n/a

RCC subtype N (%)

Clear cell

68 (82.9%)

23 (85.2%)

128

Papillary

12 (14.6%)

3 (11.1%)

5

Percent > stage T1

37.8%

n/a

n/a

Percent > grade II

28.0%

44.4%

n/a

Metastasis location

n/a

^a

Lymph node

7

34

Bone

1

25

Brain

1

21

Lung

3

20

Adrenal

4

11

Other

3

18