Sarcoma / 2014 / Article / Tab 2

Research Article

Clinical Features and Outcomes Differ between Skeletal and Extraskeletal Osteosarcoma

Table 2

Univariate and multivariate prognostic factors for overall survival in a cohort of patients with extraskeletal osteosarcoma.

Univariate hazard ratio  
(95% confidence interval)
Univariate valueMultivariate hazard ratio  
(95% confidence interval)
Multivariate value

Distant metastasis3.16  
(2.11–4.73)
<0.00012.39  
(1.34–4.25)
0.003
Tumor size ≥10 cm2.03   
(1.40–2.95)
<0.00012.11  
(1.41–3.17)
<0.0001
Axial tumor1.98  
(1.39–2.80)
<0.00011.65  
(1.08–2.53)
0.021
Age
 18–32 years
 33–59 years
 60–99 years
        
Reference 
1.30 (0.63–2.70)  
2.59 (1.31–5.12)
     
     
0.477  
0.006
      
Reference  
1.13 (0.45–2.79)   
2.53 (1.08–5.90)
     
     
0.796 
0.032
Regional lymph node present2.09 
(1.14–3.83)
0.017Not testedNot tested
Male gender1.32 
(0.96–1.80)
0.086Not testedNot tested
Year of diagnosis
 1973–1979
 1980–1989
 1990–1999
 2000–2009
     
1.80 (0.87–3.75)  
0.80 (0.44–1.45)  
0.85 (0.59–1.23)  
Reference
     
0.115    
0.465     
0.390     
     
    
Not tested
     
Not tested

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