Methods Anti-CCP was measured by ELISA and rheumatoid factor (RF) was measured by immunoturbidimetry assay in 56 patients with RA and 44 patients with other disease and 83 healthy individuals.

• 方法对56例RA、44例其他疾病、83例健康体检者，采用ELISA方法检测抗CCP抗体，免疫比浊法检测类风湿因数(RF)。