Table 1.
Shows investigations done at first presentation
| Blood investigations | Patient | Normal values |
| Complete blood count | Normal | Normal |
| Erythrocyte sedimentation rate | 20 | 0–29 mm/hour |
| C reactive protein | 0.9 | 0.8–1.0 mg/dL |
| Rheumatoid factor | <9.4 | 0–20 IU/mL |
| Treponema pallidum haemagglutination | Non-reactive | Non-reactive |
| HIV tridot screening test | Non-reactive | Non-reactive |
| Serum vitamin D levels | 48.12 | >20 ng/mL |
| Serum ACE levels | 36 | 12–68 U/L |
| Antineutrophilic antibody | 0.75 | <1:160 |
| Lipid profile | Normal | Normal |
| Serum creatinine | 0.82 | 0.6–1.0 mg/dL |