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Table 1 Various definitions of remission in RA used in this study

From: Sustained rheumatoid arthritis remission is uncommon in clinical practice

Definition remission Threshold of sum variables
DAS28-CRP4 0.56*√(TJC28) + 0.28*√(SJC28) + 0.36*ln(CRP+1) + 0.014*GH + 0.96 < 2.6
SDAI TJC28 + SJC28 + CRP + PTglobal + MDglobal ≤3.3
CDAI TJC28 + SJC28 + PTglobal + MDglobal ≤2.8
ACR/EULAR TJC28* ≤1 & SJC28* ≤1 & CRP ≤1 & PTglobal ≤1 ≤4
  1. TJC28, 28 tender-joint count; SJC28, 28 swollen-joint count; CRP, C-reactive protein (mg/L DAS28-CRP4 and mg/dl other definitions); GH, General Health on a 0- to 100-mm Visual Analogue Scale (VAS); PTglobal, patient's global assessment on a 0- to 10-cm VAS;
  2. MDglobal, physician's global assessment on a 0- to 10-cm VAS. *The ACR/EULAR definition prefers the inclusion of feet and ankles for the evaluation of remission, but use of the 28-joint count is allowed because the overall impact due to reduced joint count was found to be small.