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Table 5 Correlation coefficient (with P-value) between the number of PET/CT-positive joints or the cumulative SUV and clinical scores (DAS disease activity score, CRP C-reactive protein, CDAI clinical disease activity index, PET/CT positron emission computer tomography. CSUV cumulative standard uptake value)

From: Dissociation between 2-[18F]fluoro-2-deoxy-D-glucose positron emission computed tomography, ultrasound and clinical assessments in patients with non-severe rheumatoid arthritis, including remission

  Global Remission Low/moderate Severe
PET/CT-positive joints
 DAS28-CRP 0.34 (0.0024) 0.22 (0.33) −0.12 (0.53) 0.17 (0.63)
 CDAI 0.44 (0.0004) −0.21 (0.54) 0.09 (0.61) 0.58 (0.024)
CSUV
 DAS28-CRP 0.37 (0.0028) 0.24 (0.28) −0.14 (0.44) 0.22 (0.55)
 CDAI 0.44 (0.0003) −0.07 (0.85) 0.06 (0.71) 0.63 (0.012)