Table 3 Correlations of the B cell chemokine CXCL13 levels with clinical, laboratory, and radiological parameters in RA patient’ group

Age (years)

0.15

0.26

Disease duration (months)

0.16

0.23

MS (min)

0.68

< 0.001**

SJC count

0.85

< 0.001**

TJC count

0.84

< 0.001**

pVAS

0.28

< 0.001**

ESR (mm/1st h)

0.70

< 0.001**

CRP level (mg/L)

0.23

0.09

HB (gm/dl)

− 0.46

0.01*

Platelets count (× 103/ul)

0.56

< 0.001**

RF u/ml

0.66

< 0.001**

Anti-CCP Abs titer u/ml

0.64

< 0.001**

DAS-28

0.85

< 0.001**

Total MSUS (0–36)

0.64

< 0.001**

US -SH (0–18)

0.46

< 0.001**

US-PD (0–18)

0.30

0.11

Larsen score (0–100)

0.18

0.21