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Table 1 Cut points for activity states according to various indexes (Panel A) and components of response criteria (Panel B)

From: Disease activity level, remission and response in established rheumatoid arthritis: Performance of various criteria sets in an observational cohort, treated with anti-TNF agents

A. Activity index
  High Moderate Low Remission     
DAS28 original# > 5,1 < 5,1 < 3,2 < 2,6     
DAS28 modified cut off # > 5,5 < 5,5 < 3,6 < 2,4     
SDAI## > 26 < 26 < 11 < 3,3     
CDAI### > 22 < 22 < 10 < 2,8     
B. Response criteria
  TJC SJC Patient global VAS Patient pain VAS Evaluator global HAQ ESR CRP
ACR yes yes yes/no yes/no yes/no yes/no yes/no yes/no
EULAR yes yes yes no no no yes no
SDAI yes yes yes no yes no no yes
CDAI yes yes yes no yes no no no
  1. # DAS28 = 0,56x√TJC28+0,28x√SJC28x0,7xlnESR+0,014xPat global VAS(in mm)
  2. ## SDAI=SJC+TJC+Pat global VAS(in cm)+Eval global VAS(in cm)+CRP(in mg/dL)
  3. ### CDAI = SJC+TJC+Pat global VAS(in cm)+Eval global VAS(in cm)
  4. Cut points for activity states according to various indexes (Panel A) and components of response criteria (Panel B). Yes, required; no, not required; yes/no, in the ACR criteria, 3 of the variables marked "yes/no" are required (0 or 1 laboratory measure). TJC, tender joint count; SJC, swollen joint count; VAS, visual analogue scale; HAQ, health assessment questionnaire.