Table 1

Patient characteristics

Osteoarthritis

Rheumatoid arthritis


Number

10

7

Age (years)

62.8 ± 3.2

57.0 ± 4.0

Sex (f/m)

6/4

4/3

C-reactive protein (mg/L)

5.1 ± 1.3

25.9 ± 14.1#

Erythrocyte sedimentation rate (mm)

11.5 ± 1.5

27.6 ± 3.1*

Lining layer thickness, cells

2.0 ± 0.5

2.5 ± 0.2

Cellular density (all cells), cells/mm2

364 ± 169

635 ± 329

T-cell density, cells/mm2

1.1 ± 0.1

1.9 ± 0.5

Macrophage density, cells/mm2

55 ± 38

52 ± 16

Medication

Prednisolone (%)

N.A.

86.0

Daily prednisolone (mg/day)

N.A.

6.1 ± 1.7

Methotrexate (%)

N.A.

71.0

Leflunomide (%)

N.A.

14.0

Nonsteroidal antiinflammatory drugs (%)

70.0

71.0


Data are given as mean ± SEM. *P < 0.05; #P < 0.005 for the comparison with osteoarthritis. Abbreviations: N.A., not applicable.

Riepl et al. Arthritis Research & Therapy 2010 12:R110   doi:10.1186/ar3044

Open Data