From: Comparison of the clinical effectiveness of US grading scoring system vs MRI in the diagnosis of early rheumatoid arthritis (RA)
Clinical and laboratory parameters
r (GSUS)
r (PDUS)
r (bone erosion)
Duration of disease
0.09
0.16
0.40*
DAS28
0.13
0.39*
− 0.15
CRP
0.31*
ESR
0.41*
− 0.05
RF
0.30*
0.12
0.35*
CCP
0.18
0.29*
0.37*