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Smoking status in different groups of PSV in comparison with control group
| Variables | Smokers (%) | P* |
| PSV group | ||
| ANCA associated vasculitis | 11 (30.6) | 0.617 |
| Large vessel vasculitis | 7 (17.5) | |
| Immune complex small vessel vasculitis and cutaneous LCV | 4 (16.7) | |
| Medium vessel vasculitis (PAN and others) | 5 (20) | |
| Control group | 41 (19.5) | |
PSV: primary systemic vasculitides;
Data were displayed as numbers (percentages).
* P values indicate comparison between groups (Chi squared).
