[Retracted] Application of Dynamic Contrast-Enhanced MRI in the Diagnosis of Rheumatoid Arthritis

Table 1

ACR/EULARRA classification and scoring criteria.

Joint involvement (0 “5 points)	1 large joint0 points	2–10 large joints1 point	1–3 facets (with or without large joint involvement)2 points	4–10 small joints (with or without large joint involvement)3 points	>10 joints (at least 1 facet)5 points
Serology (0 ∼ 3 points) (at least one is required for diagnosis)	RF and ACPA {anti CCP antibody} (-)0 point	RF and/or ACPA {anti CCP antibody} low titer(+)2 point	RF and/or ACPA {anti CCP antibody} high titer(+)3 point
Course of synovitis (0–1 points)	Less than 6 weeks 0 point	6 weeks or more 1point
Acute phase reaction (0 ∼ 1 point)	CRP and ESR were normal	Elevated CRP or ESR
(At least one is required for diagnosis)	0 point	1 point