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. 2022 Jul 14;10:e13729. doi: 10.7717/peerj.13729

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)