Variable association of anti-CCP positivity with serum ferritin may be corrected by APF test.
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D000918:Antibody Specificity / Q000276:immunology; D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000175:diagnosis / Q000276:immunology*; D001323:Autoantibodies / Q000032:analysis / Q000097:blood*; D015415:Biomarkers / Q000032:analysis / Q000097:blood; D003937:Diagnosis, Differential; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods / Q000592:standards; D005293:Ferritins / Q000032:analysis / Q000097:blood*; D006801:Humans; D010456:Peptides, Cyclic / Q000276:immunology*; D011237:Predictive Value of Tests; D012680:Sensitivity and Specificity
D001323:Autoantibodies; D015415:Biomarkers; D010456:Peptides, Cyclic; C487763:cyclic citrullinated peptide; D005293:Ferritins