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

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)

	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)

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