[Retracted] Analysis of Risk Factors for Rheumatoid Arthritis in Yunnan: A Small-Scale Case-Control Study

Figure 1

Analysis of serum anti-CCP levels. (a) Comparison of serum anti-CCP levels between RA patients and controls. (b) Receiver operating curve (ROC) of serum anti-CCP levels in predicting RA.

(a)

(b)