Table 3: Correlation coefficients of Kendall's tau-b between the clinical, laboratory and radiographic parameters of the different radiological patterns.

INDICATOR

 

 

WOMAC-M0

PW-VAS-M0

uCTX-II (M0)

mJSW-M0

PW-VAS (M0)

Mean value

‘H’-RPs

‘I’-RPs

‘A’-RPs

Corr. coef.

 

 

 

 

 

 

0.980

0.970

0.980

0.990

 

 

 

 

 

‘H’-RPs

‘I’-RPs

‘A’-RPs

p-values

< 0.001

 

 

 

uCTX-II

(M0)

Mean value

‘H’-RPs

‘I’-RPs

‘A’-RPs

Corr. coef.

 

 

 

0.853

0.751

0.852

0.956

0.874

0.772

0.871

0.976

 

 

‘H’-RPs

‘I’-RPs

‘A’-RPs

p-value

 

< 0.001

< 0.001

 

 

mJSW

(M0)

Mean value

‘H’-RPs

‘I’-RPs

‘A’-RPs

Corr. coef.

 

 

 

- 0.733

- 0.936

- 0.732

- 0.631

- 0.759

- 0.956

- 0.751

- 0.652

- 0.833

- 0.731

- 0.834

- 0.935

 

‘H’-RPs

‘I’-RPs

‘A’-RPs

p-value

 

< 0.001

 

< 0.001

 

< 0.001

 

 

K/L-grade

(M0)

Mean value

‘H’-RPs

‘I’-RPs

‘A’-RPs

Corr. coef.

 

 

 

0.843

0.741

0.842

0.946

0.853

0.751

0.852

0.956

0.853

0.751

0.852

0.956

- 0.745

- 0.711

- 0.735

- 0.789

‘H’-RPs

‘I’-RPs

‘A’-RPs

p-value

< 0.001

 

< 0.001

 

<0.001

 

< 0.001

 

PW - Pain at walking by VAS; WOMAC-C - WOMAC -function scale; JSW - Joint space width; uctx-II -Urine CTX-II; K/L - II/III -radiographic grades according to Kellgren-Lawrence; ‘A’; ‘I’; ‘H’ -radiographic patterns (atrophic /normotrophic /hypertrophic)