Table 1: Clinical characteristics of the patients*.

PatientAgeSexDisease duration (years) Presurgical CRP (mg/dL)Presurgical ESR (mm/h)DAS 28Medications

RA172F171.9172.42MTX 10 mg qw
LEF 20 mg qd
RA258F91.5212.16MTX 12.5 mg qw
LEF 10 mg qd
RA363M212.7131.87Pred. 7.5 mg qd
MTX 12.5 mg qw
RA465F15<121.21Pred. 5 mg qd
LEF 20 mg qd
RA559M63.251.49Pred. 5 mg qod
MTX 10 mg qw
RA666F8<191.23LEF 20 mg qd
RA761F135.3282.62MTX 15 mg qw
OA172F<13
OA275M<12
OA369M<14
OA474M3.39
OA568F<13
OA670M2.811
C139M
C245M
C343F

RA: rheumatoid arthritis; OA: osteoarthritis; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; DAS: disease activity score; MTX: methotrexate; Pred.: prednisone; LEF: leflunomides; C: control.