Table 1.

Demographic and clinical characteristics of the 120 patients with RA. Values are n (%) or median (IQR).

CharacteristicsValues
Female95 (79)
Age, yrs52 (44–61)
Disease duration, mos48 (12–120)
Core disease activity indicators
  28-TJC9 (3–15)
  28-SJC4 (2–9)
  PtGA6 (4–7)
  PrGA6 (4–7)
  ESR, mm/h68 (30–92)
  Elevated ESR*108 (90)
  CRP, mg/l24 (7–53)
  Elevated CRP**97 (81)
  RF-positive rate83 (69)
  ACPA-positive rate83 (69)
  DAS28-CRP5.9 (4.7–6.9)
  SDAI29 (18–42)
  CDAI26 (16–36)
  HAQ score1 (0–2)
Radiographic assessment
  mTSS36 (15–66)
  Joint space narrowing subscore5 (1–20)
  Erosion subscore26 (11–43)
  Bony erosions116 (97)
  Radiographic joint damage, mTSS > 1095 (79)
Previous medications
  DMARD- and corticosteroid-naive70 (58)
  Low-dose glucocorticoid alone14 (12)
  Low-dose glucocorticoid + DMARD25 (21)
  DMARD alone11 (9)
  • * Elevated ESR: > 15 mm/h for males and > 20 mm/h for females.

  • ** Elevated CRP: CRP > 5 mg/l. IQR: interquartile range; 28-TJC: 28-joint tender joint count; 28-SJC: 28-joint swollen joint count; PtGA: patient’s global assessment of disease activity; PrGA: provider global assessment of disease activity; HAQ: Health Assessment Questionnaire; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; RF: rheumatoid factor; ACPA: anticyclic citrullinated peptide antibody; DAS28: 28-joint count Disease Activity Score; SDAI: Simplified Disease Activity Index; CDAI: Clinical Disease Activity Index; mTSS: modified total Sharp/van der Heijde score; DMARD: disease-modifying antirheumatic drug; RA: rheumatoid arthritis.