CRP and rheumatoid arthritis: SJC 0,1 was seen in 76–91% of patients classified as R/L according to DAS28–ESR, DAS28–CRP, CDAI, SDAI or RAPID3, as expected (Table 4, column c), although 29–66% of patients classified as M/H according to each of the five RA indices also had SJC 0,1 (Table 4, column c).