Table 2.

Extended multivariable logistic regression model for the prediction of joint damage progression between 0 and 3 years followup. Erosions are according to the Ratingen score. The model was corrected for age and sex.

VariablesValuesβOR95% CIp
Anti-CCP/RF0
10.191.200.52–2.790. 666
21.343.801.92–7.50< 0.001
Erosions0
1–50.952.571.57–4.23< 0.001
5–101.353.871.68–8.950.002
> 102.6113.553.34–54.99< 0.001
ESR, mm/h< 25
25–500.992.691.58–4.59< 0.001
> 501.614.982.67–9.29< 0.001
Age< 45
45–64−0.180.840.47–1.480.539
> 64−0.890.410.21–9.810.010
SexFemale−0.450.640.40–1.030.065
Constant−1.430.240.08–0.750.014
  • Anti-CCP: anticyclic citrullinated peptide antibodies; RF: rheumatoid factor; ESR: erythrocyte sedimentation rate.