According to the ACR/EULAR provisional definition, a patients RA can be defined as being in remission based on either of 2 definitions:
when scores on the tender joint count, swollen joint count, CRP (in mg/dL), and patient global assessment (0-10 scale) are all less than or equal to 1 OR when the score on the simplified disease activity index (SDAI) is less than or equal to 3.3 Analyses based on each definition will be performed.
Read more: http://www.clinicaltrials.gov/ct2/show/NCT01679951?cond=%22Arthritis%22&lup_s=08/23/2013&lup_d=30
