Table 1

Patient demographics and clinical data

ArthralgiaRheumatoid arthritis
Patients (number)10202613
Age (year)39±848±1559±857±12
Female (%)100705854
Duration of arthralgia (year)3 (1–15)
Duration of RA (year)3 (2–4)9 (3–17)1 (0–6)
ACPA positivity (%)0657769
ESR (mm 1st hour)9 (5–13)6 (3–10)14 (8–24)37 (21–55)
Raynaud's phenomenon (%)001115
Use of β-blockers (%)05230
Use of calcium channel blockers (%)01500
  • Numbers are presented as mean±SD or median (IQR) unless mentioned otherwise.

  • Mean of the two physical examiners. Examined joints: shoulders, elbows, wrists, MCP and (P)IP joints of hands and knees.

  • ACPA, anti-citrullinated protein antibody; DAS, Disease Activity Score; ESR, erythrocyte sedimentation rate; MCP, metacarpophalangeal; RA, rheumatoid arthritis.