Table 1.
Clinical and laboratory features of systemic vasculitic neuropathy and nonsystemic vasculitic neuropathy
| Clinical and laboratory features | Primary SVN (n=16) | Secondary SVN (n=45) | NSVN (n=65) | VN (n=126) |
|---|---|---|---|---|
| Age (years) | 55.3 | 61.4 | 44.1 | 47.4 |
| Male:female | 1.6:1 | 1.8:1 | 1.32:1 | 1.52:1 |
| Duration (months) | 6 | 5.5 | 18 | 9 |
| Mononeuritis multiplex (%) | 20.16 | 11.34 | 35.71 | 55.56 |
| Asymmetric polyneuropathy (%) | 0 | 6.34 | 17.46 | 23.8 |
| Symmetrical sensory neuropathy (%) | 0 | 3.9 | 0 | 3.9 |
| ANA | 0 | 20 | 4 | 24 |
| ANCA | 11 | 0 | 0 | 11 |
| Rheumatoid factor | - | 22 | 0 | 22 |
| Anti dsDNA | - | 12 | 0 | 12 |
| Anti-smith antibodies | - | 5 | 0 | 5 |
| Anemia | - | 6 | 1 | 7 |
| Eosinophilia | 4 | 0 | 0 | 4 |
| ESR (>20 mm/h) | 4 | 30 | 8 | 42 |
SVN=Systemic vasculitic neuropathy, NSVN=Nonsystemic vasculitic neuropathy, VN=Vasculitic neuropathy, ANA=Anti-nuclear antibody, ANCA=Antineutrophil cytoplasmic antibody, ESR=Erythrocyte sedimentation rate, dsDNA=Double stranded DNA