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Table 2 Synovitis score

From: Inhomogeneity of immune cell composition in the synovial sublining: linear mixed modelling indicates differences in distribution and spatial decline of CD68+ macrophages in osteoarthritis and rheumatoid arthritis

  All patients RA OA RA vs. OA
  n = 20 n = 11 n = 9 p values
Synovitis scorea, median (IQR) 5 (3–6) 6 (5–7) 3 (1.5–5) 0.002
 Lining layer hypertrophy 1.5 (1–2) 2 (1–3) 1 (0–1.5) 0.025
 Inflammatory infiltrate 1.5 (1–3) 3 (1–3) 1 (0.5–1.5) 0.007
 Cellular density 2 (1–2) 2 (2–2) 1 (0.5–1.5) 0.002
  1. Comparison by Student’s t test, significant results are printed in bold
  2. RA rheumatoid arthritis, OA osteoarthritis, IQR interquartile range
  3. aSynovitis score according to Krenn and colleagues [17]