The specificity of ACCP was higher than that of IgA-RF and IgM-RF and without difference from that of IgG-RF. The sensitivity of ACCP was higher than that of IgA-RF and IgG-RF and without difference from that of IgM-RF.

• ACCP的特异度高于IgA鄄RF、IgM鄄RF,与IgG鄄RF相比差异无显著性,敏感度高于IgA鄄RF、IgG鄄RF,与IgM鄄RF相比差异无显著性。