Table 5 Associated factors for OS and CSS in patients with fibroblastic osteosarcoma.

From: Survival profiles and associated factors for overall and cancer specific survival in patients with chondroblast and fibroblastic osteosarcoma

Variables

OS

CSS

HR (95% CI)

P value

HR (95% CI)

P value

Age

    

 < 30 years

1.00 (Reference)

 

/

/

 ≥ 30 years

1.59 (0.85—2.97)

0.14

/

/

Primary site

    

 No

1.00 (Reference)

 

1.00 (Reference)

 

 Yes

0.41 (0.19—0.89)

0.02

0.31 (0.14—0.66)

0.002

T Stage

    

 T1

/

/

1.00 (Reference)

 

 T2-T4

/

/

2.68 (1.33—5.37)

0.006

 TX

  

2.99 (1.17—7.66)

0.02

N Stage

    

 N0

/

/

1.00 (Reference)

 

 N1

/

/

2.78 (1.12—6.92)

0.03

 NX

/

/

2.02 (0.55—7.44)

0.29

M Stage

    

 M0

1.00 (Reference)

 

1.00 (Reference)

 

 M1

5.23 (2.54—10.74)

 <.001

5.18 (2.61—10.30)

 <.001

 MX

2.69 (0.36—20.06)

0.33

1.29 (0.08—20.60)

0.86

Radiation

    

 No/Unknown

1.00 (Reference)

 

1.00 (Reference)

 

 Yes

2.25 (1.11—4.57)

0.02

2.66 (1.17—6.07)

0.02

Surgery

    

 No

1.00 (Reference)

 

1.00 (Reference)

 

 Yes

0.38 (0.17—0.85)

0.02

0.35 (0.19—0.65)

 <.001

  1. OS: Overall survival; CSS: Cancer specific survival; HR: Hazard Ratio, CI: Confidence Interval.