Table 1.
Comparison of Clinical Characteristics Between RA Patients and Controls
| RA (N=178) | Control (N=164) | P-value | |
|---|---|---|---|
| Age (years) | 57.11±14.17 | 54.86±10.59 | 0.122 |
| Gender (F/M) | 132/46 | 126/38 | 0.616 |
| BMI (kg/m2) | 25.6±3.1 | 26.1±3.3 | 0.376 |
| CRP (mg/L) | 18.35(6.75–52.41) | 2.1(1.1–3.2) | < 0.001 |
| ESR (mm/h) | 37.0(15–79) | 5.22(2.73–12.81) | < 0.001 |
| RF (IU/mL) | 167.31(23.2–426.00) | 4.87(3.10–15.70) | < 0.001 |
| Anti-CCP (U/mL) | 246.3 (38.1–400.0) | 13.2(5.7–19.3) | < 0.001 |
| WBC (109/L) | 6.21±2.77 | 6.19±2.54 | 0.955 |
| RBC (1012/L) | 4.06±0.93 | 4.62±0.74 | < 0.001 |
| Hb (g/L) | 115.20± 28.08 | 136.18±21.67 | < 0.001 |
| HCT (%) | 35.45±8.59 | 41.03±5.84 | < 0.001 |
| RDW | 14.16±4.42 | 13.45±2.42 | 0.075 |
| PLT(109/L) | 240.59± 73.28 | 205.05±53.05 | < 0.001 |
| PDW | 12.42±4.41 | 12.97±3.90 | 0.263 |
| RPR | 0.019±0.0065 | 0.024±0.0072 | < 0.001 |
| HPR | 0.55±0.21 | 0.727±0.23 | < 0.001 |
Abbreviations: F, female; M, male; BMI, body mass index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; RF, rheumatoid factor; Anti-CCP, anti-cyclic citrullinated peptide; WBC, white blood cells; RBC, red blood cells; Hb, hemoglobin; HCT, red blood cell specific volume; RDW, red blood cell volume distribution width; PLT, platelet; PDW, platelet volume distribution width; RPR, red blood cells-platelet ratio; HPR, hemoglobin–platelet ratio.