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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.