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Table 2 Associations between CXCL13 and clinical and ultrasonographic measures of disease activity at baseline

From: Serum levels of CXCL13 are associated with ultrasonographic synovitis and predict power Doppler persistence in early rheumatoid arthritis treated with non-biological disease-modifying anti-rheumatic drugs

  Univariable analyses Multivariable analyses*
  Spearman R (95% CI) P Partial correlation P
DAS44 0.35 (0.21 to 0.48) < 0.001 0.30 < 0.001
SDAI 0.28 (0.12 to 0.43) < 0.001 0.22 < 0.001
SJC 0.28 (0.12 to 0.43) < 0.001 0.26 < 0.001
TJC 0.10 (-0.06 to 0.26) 0.22 - -
RAI 0.12 (-0.04 to 0.28) 0.14 0.06 0.21
CRP 0.42 (0.29 to 0.54) < 0.001 0.38 < 0.001
ESR 0.41 (0.27 to 0.53) < 0.001 0.35 < 0.001
US-GS score 0.27 (0.10 to 0.44) 0.003 0.31 < 0.001
US-PD score 0.26 (0.08 to 0.42) 0.005 0.32 < 0.001
  1. Results from Spearman R and multivariable linear regression analyses.*Adjusted for age, gender, symptoms duration, ACPA positivity. CRP, C-reactive protein; DAS44, Disease Activity Score in 44 joints; ESR, erythrocyte sedimentation rate; RAI, Ritchie Articular Index; SDAI, Simplified Disease Activity Score; SJC, swollen joint count; TJC, tender joint count; US-GS, Grey-Scale; US-PD, Power Doppler