Table 1 CYP1B1 expression in relation to clinicopathological findings

Median age (yrs)

58

57

0.2264

Gender

 male

24 (70.6 %)

42 (67.7 %)

0.7735

 female

10 (29.4 %)

20 (32.3 %)

Histology

 clear cell

30 (88.2 %)

53 (85.5 %)

0.7063

 non-clear cell

4 (11.8 %)

9 (14.5 %)

Fuhrman grade

0.0875

 1–2

21 (61.7 %)

26 (41.9 %)

 3–4

3 (8.9 %)

12 (19.4 %)

 unknown

10 (29.4 %)

24 (38.7 %)

Stage

0.0692

 I–II

24 (70.6 %)

32 (51.6 %)

 III–IV

1 (2.9 %)

8 (12.9 %)

 unknown

9 (26.5 %)

22 (35.5 %)

Lymph node metastasis

0.5085

 negative

23 (67.7 %)

32 (51.6 %)

 positive

1 (2.9 %)

3 (4.8 %)

 unknown

10 (29.4 %)

27 (43.6 %)

Systematic metastasis

0.2180

 negative

25 (73.5 %)

37 (59.7 %)

 positive

2 (5.9 %)

8 (12.9 %)

 unknown

6 (17.6 %)

17 (27.4 %)