Linear correlation Multivariate model 1 Multivariate model 2 Multivariate model 3
Estimated parameter P value Estimated parameter P value Estimated parameter P value Estimated parameter P value
Age 0.39 <0.0001 0.36 <0.0001 0.36 <0.0001 0.30 0.0005
Male - - −0.48 0.73 −0.48 0.73 −1.47 0.29
CRP 3.14 0.0010 1.26 0.21 0.42 0.69 0.60 0.56
HAQ 4.91 0.0005 −1.59 0.38 −1.59 0.38 −0.80 0.65
CDAI 0.92 <0.0001 0.84 0.0002
SDAI 0.89 <0.0001 0.84 0.0002
DAS28-ESR 4.94 <0.0001 4.18 0.0004