Table 1.
Serological investigations, coagulation tests and genetic mutations affecting the alternate complement pathway and autoantibodies
| ESR | 79 |
| ANA | Negative |
| ANCA | (MPO-11, PR3-3) |
| Anti-GBM | Negative |
| Cryoglobulins | Negative |
| PT | Normal |
| APPT | 43 |
| Lupus anticoagulant | Negative |
| Russell's viper venom test | Negative |
| Mono test | Negative |
| C3 | 0.87 |
| C4 | 0.10 |
| Surface regulation for alternate pathway | Normal |
| Factor H autoantibody | Negative |
| Soluble MAC level | Normal |
| C3 nephritic factor | Negative |
| Pathogenic variants in the gene for complement factor H | None |
ANA, antinuclear antibody; ANCA, antineutrophil cytoplasmic antibody; ESR, erythrocyte sedimentation rate; GBM, glomerular basement membrane; MPO, myeloperoxidase; PR3, proteinase 3.