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Table 4 Correlation coefficients of the some clinical and laboratory data

From: Biomarkers and cytokines of bone turnover: extensive evaluation in a cohort of patients with ankylosing spondylitis

 

Disease duration

BASRI-h

BASRI-s

BMD-f

BMD-l

BASDAI ≥4

BASMI

hsCRP

OPG

sRANKL

Sclerostin

DKK1

sFRP1

Disease duration

 

0.3

0.6

 

0.3

 

0.6

  

−0.3

0.3

  

BASRI-h

0.3

 

0.6

  

−0.3

0.5

0.4

     

BASRI-s

0.6

0.6

  

0.3

 

0.7

0.3

 

−0.4

   

BMD-f

    

0.3

        

BMD-l

0.3

 

0.3

0.3

  

0.4

   

0.2

  

BASDAI ≥ 4

 

−0.3

      

0.3

    

BASMI

0.6

0.5

0.7

 

0.4

    

−0.4

 

0.3

 

hsCRP

 

0.4

0.3

          

OPG

     

0.3

       

sRANKL

−0.3

 

−0.4

   

−0.4

     

−0.2

Sclerostin

0.3

   

0.2

      

0.2

 

DKK1

      

0.3

   

0.2

 

−0.2

sFRP1

           

−0.2

 
  1. Values indicate correlation coefficients. Note that empthy cells indicate no significance between variables. BASRI-h, and BASRI-s= Bath ankylosing spondylitis radiology index hip, and spine respectively, BMD-f, and BMD-l= BMD femoral neck and lumbar spine respectively, BASFI= Bath ankylosing apondylitis functional index, BASDAI= Bath ankylosing spondylitis disease activity index, BASMI= Bath ankylosing spondylitis metrology index, sRANKL= soluble receptor activator of nuclear factor kappa-B ligand, OPG= osteoprotegerin, sFRP1= secreted frizzled-related protein 1, DKK1= Dickkopf-related protein 1.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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