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Table 2 Spearman correlation of parameters in 151 men

From: A study of the factors associated with cervical spinal disc degeneration, with a focus on bone metabolism and amino acids, in the Japanese population: a cross sectional study

Caracterics

Age

Minimum % A/P diameter

Sevierity score of CDD

BMI

SMI

TMS in flexion

TMS in extention

Exercise habit

T score of BMD

BAP

NTX

TRACP-5b

total P1NP

25(OH)D3

Pent

Thr

Trp

Val

His

Phe

Met

Ile

Lys

Leu

Age

 

-.515**

.637**

−.023

−.121

-.534**

-.271**

.100

-.395**

.000

-.298**

.122

-.281**

.284**

.586**

.016

-.230**

−.105

-.235**

.095

−.036

−.103

.020

-.252**

Minimum % A/P diameter

  

-.593**

−.088

−.073

.261**

.104

−.035

.001

.015

.231**

−.104

.149

-.175*

-.384**

.016

.112

−.095

.007

.005

−.041

.056

−.048

−.016

Sevierity score of CDD

   

−.017

−.006

-.293**

−.131

−.050

−.151

.014

-.325**

.076

-.164*

.135

.338**

−.037

-.172*

−.156

-.178*

−.114

−.066

-.192*

−.032

-.230**

BMI

    

.874**

.253**

.417**

.033

.099

−.127

−.144

-.281**

−.133

.015

−.109

−.011

−.081

.163**

.062

.163*

−.050

.087

−.015

.107

SMI

     

.234**

.425**

.024

.213**

−.059

−.090

-.220**

−.067

.032

−.149

−.074

−.065

.121

.055

.096

−.091

.041

−.005

.092

TMS in flexion

      

.490**

−.168

.226*

−.108

.022

−.130

.072

−.139

-.377**

−.021

.128

.096

.146

.012

.040

.152

−.018

.176

TMS in extention

       

−.140

.288**

−.068

−.088

−.067

.061

−.050

-.220*

.046

−.017

−.025

.127

−.053

−.030

−.028

−.097

.038

Exercise habit

        

.003

−.026

−.027

−.024

.043

−.102

.112

−.076

−.109

.129

−.104

.026

−.007

.081

−.042

.101

T score of BMD

         

-.262**

−.081

−.075

−.102

−.070

-.162*

−.015

−.055

.037

.173*

−.077

.032

.011

−.041

.129

BAP

          

.370**

.522**

.639**

.040

−.017

.010

.153

.057

−.028

−.006

.095

.074

.006

.073

NTX

           

.360**

.481**

−.129

−.140

−.053

.088

.042

−.010

−.081

−.017

.111

.037

.135

TRACP-5b

            

.502**

.098

.113

−.060

.035

−.066

−.148

−.154

−.002

−.002

−.055

−.030

total P1NP

             

−.025

−.152

.060

.120

.002

.077

−.039

.102

.038

.028

.093

25(OH)D3

              

.252**

.004

−.069

−.038

.049

.179*

.116

−.137

.169*

−.057

Pent

               

−.030

−.096

.028

−.080

.216**

.114

−.031

.117

−.095

Thr

                

.246**

.056

.385**

.215**

.660**

.069

.402**

.027

Trp

                 

.383**

.283**

.344**

.493**

.414**

.293**

.484**

Val

                  

.169*

.366**

.321**

.842**

.291**

.892**

His

                   

.297**

.530**

.049

.362**

.243**

Phe

                    

.546**

.299**

.508**

.379**

Met

                     

.335**

.626**

.381**

Ile

                      

.200*

.873**

Lys

                       

.319**

Leu

                        
  1. *p < 0.05, **P < 0.0001
  2. Abbreviations: A/P anterior-posterior, Sevierity score of CDD severity score of cervical disc degeneration from C3/4 to C7/T1, BMI body mass index, SMI Skeletal muscle mass index, TMS trunk muscle strength, BMD bone mineral density, BAP bone-specific alkaline phosphatase, NTX cross-linked N-telopeptide of type 1 collagen, TRACP-5b bone tartrate-resistant acid phosphatase-5b, total P1NP total type 1 procollagen N-terminal propeptide, Pent pentosidine, Thr threonine, Trp tryptophan, Val valine, His histidine, Phe phenylalanine, Met methionine, Ile isoleuicine, Lys lysine, Leu leucine