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Table 3 Multivariate Cox regression analysis of potential prognostic factors for 177 osteosarcoma patients

From: High serum alkaline phosphatase cooperating with MMP-9 predicts metastasis and poor prognosis in patients with primary osteosarcoma in Southern China

Clinical characteristics

OS

 

DFS

 
 

Hazard ratio (95% CI)

P

Hazard ratio (95% CI)

P

Histological type

    

   Osteoblastic

3.615(1.232,10.603)

0.019

2.653(0.915,7.693)

0.072

   Chondroblastic

2.262(0.673,7.602)

0.187

1.449(0.439,4.781)

0.543

   Fibroblastic

1.670(0.425,6.564)

0.463

1.093(0.285,4.198)

0.897

   Dilated blood vessels

3.506(0.932,13.195)

0.064

3.950(1.061,14.773)

0.041

   Others

1.000

 

1.000

 

Tumor size

    

   < 6 cm

1.000

 

----

----

   ≥ 6 cm

1.685(1.071,2.650)

0.024

  

Surgery type

    

   Amputation

1.000

 

1.000

 

   Limb sparing

0.375(0.247,0.570)

< 0.01

0.392(0.257,0.597)

< 0.01

Pre-ALP

    

   Normal

1.000

 

1.000

 

   High

1.461(0.806,2.647)

0.212

1.542(0.847,2.806)

0.157

   Very high

1.979(1.063,3.684)

0.031

2.090(1.135,3.848)

0.018

Lung metastasis

    

   No

1.000

 

1.000

 

   Yes

2.232(1.395,3.572)

0.001

5.456(3.266,9.114)

< 0.01

  1. OS overall survival, DFS disease-free survival, ALP alkaline phosphatase, CI confidence interval