Table 4. Allelic frequencies of polymorphisms of IL-1A-889 and IL-1B+3954 in the peri-implant health group and in the peri-implantitis group.
| Alleles, n (%) | Peri-implant health (n = 20) |
Peri-implantitis (n = 20) |
Total (n = 40) |
p |
|---|---|---|---|---|
| IL-1A (-889) | ||||
| C | 17 (85) | 14 (70) | 31 (77.5) | 0.45 |
| T | 3 (15) | 6 (30) | 9 (22.5) | |
| IL-1B (+3954) | ||||
| C | 18 (90) | 13 (65) | 31 (77.5) | 0.13 |
| T | 2 (10) | 7 (35) | 9 (22.5) |