Objective To compare the correlation between ACCP, IgA-RF, IgG-RF, IgM-RF and disease activity, bone erosion of rheumatoid arthritis.

• 目的探讨抗环瓜氨酸肽抗体(ACCP)及类风湿因子(RF)各亚型与类风湿关节炎(RA)疾病活动度及骨质侵蚀的相关性。