IL18 Polymorphism and Periodontitis Susceptibility, Regardless of IL12B, MMP9, and Smoking Habits

Figure 2

IL-18 serum levels in nonsmoking CP patients () and controls (). Comparisons were done between the control group and overall patients, CP extension (localized and generalized), and degree of disease severity (light, moderate, and severe); between CP extension (localized generalized) and light degree moderate and severe degree. The results are shown as . Student’s -test was used; was considered significant.