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Table 1 Summary characteristics of 45 cases of solitary fibrous tumors of the pleura with Doege-Potter syndrome, 1979-2011

From: Solitary fibrous tumors of the pleura with Doege-Potter syndrome: a case report and three-decade review of the literature

Characteristic

Benign (n = 22)

Malignant (n = 23)

P-value*

Age at diagnosis (years): Mean ± SD$

60.8 ± 10.0

64.1 ± 10.8

0.29

Gender

   

Male

10

11

0.87

Female

12

12

 

Sign

   

Pleural effusion

5 (n = 16)

4 (n = 16)

0.69

Clubbing in fingers

5 (n = 16)

4 (n = 16)

0.69

Skin change

2 (n = 16)

1 (n = 16)

0.54

Tumor mass

   

Clear borders

13 (n = 13)

16 (n = 20)

0.09

Location

   

Right

13 (n = 21)

14 (n = 23)

0.94

Left

8 (n = 21)

9 (n = 23)

0.94

Up

1 (n = 17)

2 (n = 20)

0.65

Low

16 (n = 17)

18 (n = 20)

0.65

Size (cm)

   

≤ 10

0 (n = 17)

1 (n = 21)

 

>10

17 (n = 17)

20 (n = 21)

0.36

Morphologic Features

   

Homogeneous

2 (n = 5)

3 (n = 17)

 

Heterogeneous

3 (n = 5)

14 (n = 17)

0.29

  1. *Pearson P-values for all frequency variables were estimated by individual Chi-square test and for age at diagnosis by t-test.
  2. $SD: Standard deviation.