All patients

CCC

KUH

p value

Number of patients

26

21

5

Age (years)

63 (41 - 78)

63 (41 - 78)

66 (53 - 81)

0.379

Sex

0.376

Male

15 (57.7)

13 (61.9)

2 (40.0)

Female

11 (42.3)

8 (38.1)

3 (60.0)

ECOG PS

0.121

0

21 (80.8)

16 (76.2)

5 (100.0)

1

5 (19.2)

5 (23.8)

0

Previous nephrectomy

0.509

Yes

25 (96.2)

20 (95.2)

5 (100.0)

No

1 (3.8)

1 (4.8)

0

Histology of primary tumor

0.536

Clear cell RCC

23 (88.5)

19 (90.5)

4 (80.0)

Non-clear cell RCC

3 (11.5)

2 (9.5)

1 (20.0)

MSKCC risk group

0.947

Favorable

6 (23.1)

5 (23.8)

1 (20.0)

Intermediate

16 (61.5)

13 (61.9)

3 (60.0)

Poor

4 (15.4)

3 (14.3)

1 (20.0)

Site of metastasis

Lung

18 (69.2)

15 (71.4)

3 (60.0)

0.549

Lymph node

12 (46.2)

9 (42.9)

3 (60.0)

0.490

Bone

7 (26.9)

7 (33.3)

0

0.059

Liver

2 (7.7)

2 (9.5)

0

0.345