Table II.
Antibody serostatus and other test results
| Test index | Result | Normal range | |
|---|---|---|---|
| Thyroid function test | Free thyroxine level (pmol/L) | 15.93 | 12-22 |
| Thyroid-stimulating hormone level (μIU/mL) | 4.23 | 0.27-4.2 | |
| Viral infection status | Hepatitis B virus | Negative | |
| Hepatitis C virus | Negative | ||
| HIV | Negative | ||
| Coronavirus PCR | Negative | ||
| Cerebrospinal fluid analysis | Cell count (cells/mm3) | 2 | < 5 |
| Protein level (g/L) | 0.34 | 0.1-0.25 | |
| Glucose level (mmol/L) | 4.8 | ||
| EBV, CMV, HSV, tuberculosis bacilli | Negative | ||
| Antibody serostatus | Antiphospholipid antibodies (IgM, IgG) | Negative | |
| Anticardiolipin antibodies (IgM, IgG) | Negative | ||
| Anti-beta-2 glycoprotein I antibodies (IgM, IgG) | Normal range | ||
| cANCA, pANCA | Negative | ||
| ANA anti-dsDNA | Negative | ||
| Head computed tomography and angiography | Normal | ||
| Nerve conduction studies | Polyneuropathy | ||
ANA, Antinuclear antibody; c-ANCA, cytoplasmic antineutrophil cytoplasmic antibody; CMV, cytomegalovirus; dsDNA, double-stranded DNA; HSV, herpes simplex virus; p-ANCA, perinuclear antineutrophil cytoplasmic antibody.