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Distribution of IL-1β genotype polymorphisms in periodontitis (divided for disease severity) and controls.
| Severe periodontitis | Moderate periodontitis | Mild periodontitis | Controls | Total | |
|---|---|---|---|---|---|
| IL-1β (+) | 61 | 5 | 6 | 06 | 23 |
| IL-1β (-) | 14 | 134 1 | 34 | 90 | 173 |
| Total | 20 | 39 | 40 | 96 | 195 |
