Table 1 Demographic baseline characteristics (n = 1496), values of composite indices and health status measures at baseline and 24 weeks
CharacteristicsBaseline24 Weeks
Age (years)53.9 (13.5)
Women (%)72.1
Disease duration (years)7.6 (9.1)
Years of education11.8 (3.1)
Rheumatoid factor (%)65.1
Erosive disease (%)51.3
With satisfactory condition (%)40.963.2
Composite indices
    DAS284.98 (1.36)3.71 (1.51)
    SDAI27.6 (14.0)16.0 (12.5)
    CDAI24.9 (12.9)14.5 (11.7)
    PAS4.76 (2.02)3.43 (2.01)
Global scales, pain and fatigue
    Investigator global VAS40.3 (17.7)22.2 (17.3)
    Patient global VAS51.2 (23.5)35.9 (23.9)
    Joint pain VAS48.1 (24.0)33.1 (23.3)
    Fatigue VAS48.5 (28.4)39.6 (27.4)
Functional measures
    MHAQ1.71 (0.51)1.48 (0.45)
    HAQ1.31 (0.61)1.02 (0.56)
SF-36
    Physical48.5 (24.1)58.3 (25.1)
    Bodily pain32.7 (17.0)46.8 (20.9)
    General health49.8 (19.9)53.9 (21.4)
    Vitality38.5 (20.8)47.3 (21.7)
    Social function63.7 (25.8)73.4 (23.6)
    Mental70.6 (18.2)75.4 (17.3)
  • Mean (SD) for continuous variables, % for categorical values.

  • CDAI, Clinical Disease Activity Index; DAS28, 28-joint Disease Activity Score; HAQ, Health Assessment Questionnaire; MHAQ, modified Health Assessment Questionnaire; PAS, Patient Activity Scale; SDAI, Simplified Disease Activity Index; SF-36, Short Form-36; VAS, visual analogue scale (mm).