Table 2: Statistical analysis.

 

n=15 (%)

5 years EFS

P (EFS)

5 years OS

p (OS)

Primary tumor size

 

 

 

 

 

<5cm

5 (33.3%)

99%

0.3582

99%

0.5271

>5cm

10 (66.7%)

80%

 

98.5%

 

Site

 

 

 

 

 

Limbs

10 (66.7%)

78%

0.5546

89.5%

0.7575

Axial

4 (26.7%)

99.5%

 

99%

 

Other

1 (6.6%)

-

 

-

 

IRS group

 

 

0.5546

 

0.7575

I

2 (13.3%)

-

 

-

 

II

4 (26.7%)

99%

 

99.5%

 

III

9 (60%)

75%

 

89.5%

 

Best surgery at any time

 

 

0.2324

 

0.5134

R0

5 (33.3%)

98.5%

 

99%

 

R1

4 (26.7%)

98.5%

 

99.5%

 

R2 / Biopsy

6 (40%)

67%

 

83.5%

 

Response to CHT

 

n= 8

0.009

 

 

0.0113

CR

3 (20%)

99%

 

99%

 

PR

3 (20%)

99%

 

99%

 

SD

1 (6.6%)

0%

 

0%

 

PD

1 (6.6%)

0%

 

99%

 

No CHT

7 (46.7%)

99%

 

99%

 

CHT: Chemotherapy, CR: Complete Remission; PR: Partial Response; SD: Stable Disease; PD: Progressive Disease; EFS: Event Free survival OS: Overall Survival.