Erratum

Erratum to: A Systematic Review of Serum Biomarkers Anti-Cyclic Citrullinated Peptide and Rheumatoid Factor as Tests for Rheumatoid Arthritis

Table 3

2010 ACR/EULAR scoring criteria for RA. The following table provides the scoring criteria for different domains of evaluation. For each cell in the table for which the patient satisfies the condition, the cell is scored by the number of points at the top of the column in which it is found. The patient’s score is the sum of the scores for the individual cells. Patients with a total score of 6 or more points are diagnosed as having RA.

Number of points01235

Joint involvement1 medium-large joint2–10 medium-large joints1–3 small joints4–10 small joints>10 small joints

SerologyNegative for both RF and anti-CCPPositive for either RF or anti-CCP at low titer (between 1x–3x upper limit of normal)Positive for either RF or anti-CCP at high titer (>3x upper limit of normal)

Duration of synovitis<6 weeks≥6 weeks

Acute phase reactantsNormal CRP and ESRAbnormal CRP or ESR

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