Table 1.

Prevalence of Erosions According to Disease Duration and Serological Status

Disease duration (years)
0–23–56–10>10
Overall19.3 (905/4699)28.3 (475/1678)33.4 (469/1404)47.8 (946/1978)
Serological status
 CCP−16.1 (359/2226)22.7 (169/744)21.8 (128/588)28.1 (206/733)
 CCP+22.1 (546/2473)32.8 (306/934)41.8 (341/816)59.4 (740/1245)
  • Data are % (n/N).