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Table 1 Demographic and clinical features

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
Age at surgery, yrs (±SD) 66.2 (±10.9) 63.5 (±10.6) 69.4 (±11.1) 0.233
Female, n (%) 14 (75.0) 9 (81.8) 6 (66.7)  
CRP, mg/dl (±SD) 2.5 (±2.7) 3.7 (±3.2) 1.2 (±1.0) 0.001
Leucocytes,/μl (±SD) 8570.0 (±4784.4) 10,654.5 (±5639.0) 6022.2 (±1157.3) 0.001
RF, IU/ml (±SD) 71.5 (±156.9) 126.3 (±198.5) 4.4 (2.4) <0.001
ESR, mm/h, (±SD) 22.2 (±20.9) 29.4 (±23.3) 14.1 (15.3) 0.079
  1. Comparison by Student’s t test, significant results are printed in bold
  2. RA rheumatoid arthritis, OA osteoarthritis, SD standard deviation, CRP C-reactive protein, RF rheumatoid factor, ESR erythrocyte sedimentation rate