No

55% (39%, 71%) [18]

46% (29%, 62%) [14]

21% (6.7%, 36%) [6]

Yes

33% (24%, 43%) [27]

25% (16%, 34%) [17]

13% (4.8%, 20%) [6]

Tumor size >8cm

0.4963

0.1527

No

44% (33%, 54%) [34]

37% (27%, 47%) [26]

15% (6.3%, 23%) [9]

Yes

35% (24%, 46%) [22]

25% (15%, 35%) [14]

13% (4.6%, 22%) [6]

Extension level 2/3 vs 1

0.9825

0.8944

No

40% (31%, 49%) [40]

34% (25%, 43%) [32]

18% (10%, 26%) [14]

Yes

41% (23%, 60%) [10]

33% (15%, 51%) [6]

5.5% (4.8%, 16%) [1]

Positive lymph nodes

<0.0001

<0.01

No

45% (36%, 53%) [52]

37% (28%, 45%) [38]

17% (10%, 24%) [15]

Yes

10% (0%, 21%) [3]

3% (0%, 10%) [0]

0%

Peri-nephric fat involvement

0.0010

0.0035

No

51% (41%, 61%) [42]

44% (33%, 54%) [33]

21% (12%, 30%) [13]

Yes

25% (15%, 35%) [16]

16% (7.3%, 25%) [9]

7.2% (0.6%, 14%) [4]

Metastasis at surgery

0.1758

0.7074

No

42% (34%, 50%) [52]

34% (26%, 42%) [39]

16% (9.6%, 23%) [16]

Yes

26% (8.4%, 43%) [6]

21% (4.1%, 37%) [3]

Positive surgical margin

0.1583

0.2591

No

49% (39%, 59%) [39]

39% (29%, 49%) [29]

19% (9.7%, 27%) [12]

Yes

37% (22%, 51%) [14]

34% (19%, 49%) [10]

10% (0.4%, 21%) [3]