Variables | Patients with RA, n = 10 | Patients with OA, n = 10 | p |
---|---|---|---|
Age, yrs | 52 ± 11 | 72 ± 11 | 0.002 |
Disease duration, yrs | 9 ± 8 | 9 ± 7 | 1.000 |
Diabetes mellitus, n | 0 | 3 | 0.211 |
Height, cm | 158 ± 2 | 152 ± 6 | 0.065 |
Weight, kg | 58 ± 6 | 57 ± 11 | 0.837 |
BMI, kg/m2 | 23 ± 3 | 25 ± 2 | 0.394 |
Laboratory findings | |||
ESR, mm/h | 69 ± 24 | 25 ± 13 | 0.004 |
CRP, mg/dl | 6.8 ± 8.3 | 0.1 ± 0.1 | 0.001 |
Rheumatoid factor | 215 ± 245 | 3 ± 2 | < 0.001 |
Anti-CCP antibody, IU | 214 ± 152 | 1 ± 1 | 0.019 |
Uric acid, mg/dl | 4.0 ± 1.2 | 4.9 ± 0.5 | 0.279 |
Total cholesterol, mg/dl | 174 ± 29 | 164 ± 23 | 0.456 |
Triglyceride, mg/dl | 99 ± 70 | 158 ± 74 | 0.066 |
LDL cholesterol, mg/dl | 95 ± 30 | 88 ± 17 | 0.710 |
SF WBC count/mm3 | 21480 ± 16640 | 118 ± 28 | 0.036 |
Kellgren-Lawrence grading scale* | 2.8 ± 0.6 | ||
Treatment agents, n (%) | |||
NSAID | 10 (100) | 10 (100) | 1.000 |
Prednisolone | 10 (100) | 1 (10) | < 0.001 |
Methotrexate | 10 (100) | 0 (0) | < 0.001 |
Hydroxychloroquine | 1 (10) | 0 (0) | 1.000 |
Sulfasalazine | 1 (10) | 0 (0) | 1.000 |
Leflunomide | 2 (20) | 0 (0) | 0.474 |
↵* Kellgren-Lawrence grading scale: measurements taken from knee radiograph, available in all patients with OA. RA: rheumatoid arthritis; OA: osteoarthritis: BMI: body mass index; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; anti-CCP: anticyclic citrullinated peptide; LDL: low-density lipoprotein; SF: synovial fluid; WBC: white blood cell; NSAID: nonsteroidal antiinflammatory drugs.