Table 1

Demographic and clinical data of study population

Diagnosis
RA (n=67)PsA (n=60)uA (n=74)Other (n=45)
χ̅ ±SD; median (range)χ̅ ±SD; median (range)χ̅ ±SD; median (range)χ̅ ±SD; median (range)
Age (years)58±8.359 (28–84)51±1054 (26–79)53±1053 (14–74)50±1453 (16–83)
Gender (men/women)17/5219/3218/7513/43
Disease duration (months)76±6753 (2–420)48±4125 (0–360)19±198 (0–180)62±6717 (0–456)
DAS28 (0–10)*3.8±1.03.9 (0.8–6.3)3.6±1.13.8 (0.0–6.7)3.6±1.13.7 (1.0–6.0)
ESR (mm/h)20±1314 (1–100)17±1112 (2–87)20±1316 (1–72)18±1112 (1–68)
CRP (mg/dl)0.5±0.50.2 (0.0–7.8)0.4±0.40.3 (0.0–4.6)0.5±0.50.2 (0.0–5.1)0.5±0.40.1(0.0–4,4)
SJC (finger joints)7±45 (3–16)2±21 (0–6)5±36 (0–10)2±21 (0–11)
TJC (finger joints)5±45 (0–12)3±23 (0–14)5±34 (0–11)3±32 (0–10)
RAMRIS4±32 (0–18)2±11 (0–4)
RAMRIS synovitis7±63 (0–28)3±22 (0–14)
US score58±149 (11–118)27±125 (9–104)29±1327 (1–80)17±913(2–82)
  • * DAS28 only calculated for RA, PsA and uA.

  • Other six healthy controls=six arthralgia being above suspicion of inflammatory disease.

  • CRP, C reactive protein; DAS28, Disease Activity Score 28; ESR, erythrocyte sedimentation rate; PsA, psoriatic arthritis; RA, rheumatoid arthritis; RAMRIS, Rheumatoid Arthritis MRI Score; SJC, swollen joint count; TJC, tender joint count; uA, undifferentiated arthritis; US, ultrasonography.