Conversion among the 28-joint count activity indices for rheumatoid arthritis.
Khai Pang LeongJustina Wei Lynn TanXiao GaoEe Tzun Kohnull nullPublished in: European journal of rheumatology (2020)
We derived empiric formulae that connect DAS28-ESR, DAS28-CRP, SDAI, and CDAI. Moreover, we developed new cutoff values to minimize the discrepant activity state categorization with different indices.