Table 6.
Multivariate analysis of the association between smoking and PSV post propensity score matching
| OR | 95% CI for OR | Sig | ||
| Variables | Lower | Upper | ||
| Age (years) | 1.005 | 0.978 | 1.034 | 0.713 |
| Gender | ||||
| Female | - | - | - | - |
| Male | 0.929 | 0.479 | 1.803 | 0.828 |
| Education | ||||
| Illiterate (%) | - | - | - | - |
| Primary school (%) | 0.856 | 0.328 | 2.236 | 0.750 |
| High school (%) | 0.985 | 0.417 | 2.324 | 0.973 |
| University (%) | 1.152 | 0.503 | 2.640 | 0.738 |
| Marital status | ||||
| Married (%) | - | - | - | - |
| Single (%) | 0.887 | 0.427 | 1.842 | 0.747 |
| Smoking status | ||||
| Never-smoker | - | - | - | - |
| Ever smokers | 1.063 | 0.481 | 2.346 | 0.880 |
PSV: primary systemic vasculitides; CI: confidence interval; OR: odds ratio.