Table 1 Clinical and pathologic features of 86 peritoneal mesotheliomas with respect to CDKN2A and NF2 status

From: The prognostic significance of BAP1, NF2, and CDKN2A in malignant peritoneal mesothelioma

Patient or tumor characteristics

Total, n=86

CDKN2A

 

NF2

 
  

Wild type

Homozygous deletion

P-value

Wild type

Hemizygous loss

P-value

Gender

 Female

26 (30%)

18 (30%)

8 (32%)

0.802

15 (27%)

11 (37%)

0.460

 Male

60 (70%)

43 (70%)

17 (68%)

 

41 (73%)

19 (63%)

 

Age

 <60 years

54 (63%)

43 (70%)

11 (44%)

0.028

37 (66%)

17 (57%)

0.484

 ≥60 years

32 (37%)

18 (30%)

14 (56%)

 

19 (34%)

13 (43%)

 

Asbestos exposure

n=72

      

 No

54 (75%)

40 (78%)

14 (67%)

0.371

35 (76%)

19 (73%)

0.784

 Yes

18 (25%)

11 (22%)

7 (33%)

 

11 (24%)

7 (27%)

 

Mean peritoneal cancer index (range)

23 (8–39)

22 (8–39)

25 (11–39)

0.165

22 (8–39)

25 (12–39)

0.151

Completeness of cytoreduction scores

n=72

      

 0 or 1

67 (81%)

47 (80%)

20 (83%)

1.000

47 (87%)

20 (69%)

0.078

 2 or 3

16 (19%)

12 (20%)

4 (17%)

 

7 (13%)

9 (31%)

 

Histologic subtype

 Epithelioid

75 (87%)

53 (87%)

22 (88%)

1.000

49 (88%)

26 (87%)

1.000

 Non-epithelioid

11 (13%)

8 (13%)

3 (12%)

 

7 (12%)

4 (13%)

 

Extent of invasion

 Limited to adipose tissue

46 (53%)

32 (52%)

14 (56%)

0.815

30 (54%)

16 (53%)

1.000

 Extension into the visceral parenchyma

40 (47%)

29 (48%)

11 (44%)

 

26 (46%)

14 (47%)

 

Lymph node metastasis

n=48

      

 No

34 (71%)

23 (72%)

11 (69%)

1.000

23 (70%)

11 (73%)

1.000

 Yes

14 (29%)

9 (28%)

5 (31%)

 

10 (30%)

4 (27%)