Table 3

Multiple regression analysis with disease activity score (DAS28) at 5 years of treatment as dependent outcome

ItemB95% CIStandardised βp valueR2
Intercept1.7090.517 to 2.9010.005
Age0.006−0.007 to 0.0180.0660.3840.001
Gender0.347−0.031 to 0.7250.1390.0710.017
Treatment strategy0.174−0.172 to 0.5190.0760.3230.017
Rheumatoid factor positive0.283−0.083 to 0.6490.1130.1280.036
Baseline disease activity0.042−0.126 to 0.2110.0390.6220.038
EULAR good-response*−0.752−1.221 to −0.284−0.3130.002
EULAR moderate-response*−0.427−0.877 to 0.023−0.1840.0630.091
  • * Early EULAR non-response used as reference category. Age, gender and treatment strategy were used as covariates. R2 = explained variance. The R2 is shown for every extra variable included in the model.