Table 1. Laboratory test results.
| Test | Result | Reference range |
| Complete blood count (CBC) | ||
| White blood cell count (WBC) | 7.2 × 103/μL | 4.0 - 11.0 × 103/μL |
| Red blood cell count (RBC) | 5.0 × 106/μL | 4.5 - 5.5 × 106/μL |
| Hemoglobin (Hb) | 15.0 g/dL | 13.5 - 17.5 g/dL |
| Hematocrit (Hct) | 0.452 | 38.3 - 48.6% |
| Mean corpuscular volume (MCV) | 90 fL | 80 - 100 fL |
| Mean corpuscular hemoglobin (MCH) | 30 pg | 27 - 33 pg |
| Mean corpuscular hemoglobin concentration (MCHC) | 34 g/dL | 32 - 36 g/dL |
| Platelet count | 300 × 103/μL | 150 - 450 × 103/μL |
| Inflammatory markers | ||
| C-reactive protein (CRP) | 0.2 mg/dL | 0.0 - 0.5 mg/dL |
| Erythrocyte sedimentation rate (ESR) | 8 mm/hour | 0 - 15 mm/hour |
| Rheumatologic markers | ||
| Rheumatoid factor (RF) | 10 IU/mL | 0 - 14 IU/mL |
| Antinuclear antibodies (ANA) | Negative | Negative |
| Cyclic citrullinated peptide (CCP) | 15 U/mL | <20 U/mL |
| Anti-neutrophil cytoplasmic antibodies (ANCA) | Negative | Negative |