Research Article
Interaction between IL-33 Gene Polymorphisms and Current Smoking with Susceptibility to Systemic Lupus Erythematosus
Table 2
General characteristics of study participants in the case and control group.
| Variables | SLE cases () | Controls () | values |
| Age (years) () | | | 0.199 | Females, N (%) | 284 (67.5) | 290 (68.2) | 0.809 | Current smoking, N (%) | 128 (30.4) | 80 (18.8) | 0.000092 | Alcohol drinking, N (%) | 142 (33.7) | 155 (36.5) | 0.404 | BMI (kg/m2) () | | | 0.126 | Duration of disease (years) | 5.8 (2.7-8.1) | | | SLEDAI | 15 (5-29) | | |
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SLEDAI: Systemic Lupus Erythematosus Disease Activity Index.
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