Table 1

Characteristics of patients in remission according to the various remission definitions, or not in remission by any criterion

Remission according to
CharacteristicsDAS28Boolean criteriaSDAINo remission
Number of cases19314767404821
% of all cases28.16.910.870.2
Age, in years (mean±SD)59.7±13.757.0±14.058.3±13.962.1±12.6
Female (%)67.773.770.378.3
Disease duration, in years (mean±SD)9.8±8.98.3±8.38.6±8.412.6±10.8
% with disease duration ≤2 years16.519.518.212.8
Physician global* (mean±SD)1.2±1.40.7±1.00.3±0.53.1±2.2
Swollen joint count (mean±SD)0.2±0.70.1±0.30.0±0.22.3±3.4
 Swollen joint count, grouped (%)
  088.591.295.943.1
  16.68.83.815.0
  >14.90.341.9
Tender joint count (mean±SD)0.2±0.60.1±0.30.1±0.23.9±5.1
 Tender joint count, grouped (%)
  089.991.295.528.6
  16.48.83.913.8
  >13.70.557.6
CRP>1 mg/dl (%)9.10.04.232.1
ESR (mm/h; mean±SD)10.1±6.416.4±14.115.2±12.627.1±18.6
DAS28 (mean±SD)2.0±0.51.9±0.61.9±0.64.0±1.0
Rheumatoid factor positive (%)65.763.361.976.4
Patient global* (mean±SD)2.9±1.90.6±0.51.2±1.05.1±2.0
 0–124.2100.062.32.0
 2–344.737.721.4
 >331.176.6
Pain* (%)
 0–131.379.062.94.7
 2–338.616.731.721.9
 >330.14.35.473.4
Fatigue* (%)
 0–140.875.164.514.9
 2–327.816.226.522.7
 >331.48.89.162.4
FFbH† (mean±SD)84.3±17.892.4±13.991.8±12.765.2±23.9
≠HAQ0.8±0.50.6±0.40.6±0.41.3±0. 7
Morning stiffness (%) >30 min23.45.98.753.9
Comorbidity
 %66.456.357.382.3
 Mean±SD1.6±1.71.1±1.51.2±1.52.4±1.9
 Coronary heart disease (%)8.27.36.613.8
 Osteoporosis (%)16.511.610.625.9
 Osteoarthritis (%)11.76.27.418.4
 Degenerative spine disease (%)12.55.37.117.7
  • *Numerical rating scale from 0 to 10, 0 indicating best, 10 worst status.

  • †Score range from 0 to 100, 100 indicating full functional ability.

  • CRP, C-reactive protein; DAS28, 28-joint count Disease Activity Score; ESR, erythrocyte sedimentation rate; FFbH, Hannover Functional Status Questionnaire; HAQ, Health Assessment Questionnaire; SDAI, Simplified Disease Activity Index.