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Table 2 Univariate and multivariate logistic regression analysis in the training cohort

From: Construction and validation of nomogram to predict distant metastasis in osteosarcoma: a retrospective study

Variables

 

Univariate analysis

Multivariate analysis

 

OR (95%CI)

P value

OR (95%CI)

P value

Age

  

0.001

 

0.027

<20

Reference

 

Reference

 

20–49

0.38 (0.21, 0.66)

<0.001

0.45 (0.24, 0.84)

0.012

≥50

0.62 (0.35, 1.12)

0.114

0.58 (0.27, 1.26)

0.169

Sex

  

0.547

  

Male

Reference

   

Female

0.87 (0.56, 1.36)

0.547

  

Race

  

0.902

  

White

Reference

   

Black

1.03 (0.58, 1.84)

0.909

  

Other

0.66 (0.27, 1.61)

0.363

  

Primary site

  

<0.001

 

0.019

External

Reference

 

Reference

 

Axial

0.81 (0.42, 1.57)

0.527

0.44 (0.18, 1.05)

0.065

Other

0.12 (0.03, 0.49)

0.003

0.2 (0.04, 0.94)

0.041

Size

  

<0.001

  

<5

Reference

   

5–10

3.15 (1.08, 9.16)

0.035

  

≥10

5.22 (1.83, 14.84)

0.002

  

Grade

  

<0.001

 

0.032

High

Reference

 

Reference

 

Low

7.72 (1.86, 32.01)

0.005

3.8 (0.88, 16.3)

0.073

T

  

<0.001

 

0.027

T1

Reference

 

Reference

 

T2

2.81 (1.65, 4.76)

<0.001

1.92 (1.09, 3.4)

0.024

T3

8.7 (2.75, 27.55)

<0.001

3.72 (1.03, 13.47)

0.045

Surgery

  

<0.001

 

<0.001

No

Reference

 

Reference

 

Yes

0.19 (0.11, 0.34)

<0.001

0.12 (0.05, 0.25)

<0.001