Table 2

Radiographic changes in time

At baseline1st year2nd year3rd year
mTSS, n476476394314
mTSS, median (IQR)0 (0–2)0 (0–3)0 (0–5)0 (0–6)
JSN, median (IQR)0 (0–1)0 (0–2)0 (0–2)0 (0–3)
Erosion score, median (IQR)0 (0–1)0 (0–2)0 (0–2)0 (0–2)
Estimated mTSS*, mean (95% CI)6.9 (1.2–11.6)7.4 (1.7–12.1)7.9 (2.2–12.6)8.4 (2.7–13.0)
Current radiographic lesion†, % (n)30 (143)32 (150)35 (138)38 (119)
Current erosive lesion†, % (n)25 (122)28 (124)30 (117)32 (101)
Current JSN†, % (n)28 (135)31 (137)33 (130)36 (112)
  • *Estimated marginal mean mTSS values by reaching to run a linear mixed model (adjusted for age).

  • †mTSS >0, erosion score >0, JSN>0.

  • JSN, joint space narrowing; mTSS, modified Total Sharp/van der Heijde Score; n, number of case.