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Table 4 Correlation between the PET/CT results (number of PET-positive joints, cumulative SUV and composite SUV index, CI) and the biological, clinical and US parameters, at baseline and at week 16

From: 18F- FDG PET/CT joint assessment of early therapeutic response in rheumatoid arthritis patients treated with rituximab

 

Baseline

Week 16

 

# PET+

cSUV

CI

# PET+

cSUV

CI

CRP

0.61*

0.7*

0.64*

0.39

0.76*

0.54*

DAS28

0.70*

0.71*

0.67*

0.14

0.33

0.24

US (# positive joints)

0.75*

0.71*

0.74*

0.55*

0.67*

0.57*

Cumulative synovial thickness (mm)

0.67*

0.76*

0.67*

0.57*

0.85*

0.66*

  1. *indicates P value <0.05