From: Variation in the CXCR1 gene (IL8RA) is not associated with susceptibility to chronic periodontitis
Characteristics of patients | Control n = 195 (%) | Periodontitis n = 200 (%) | P-Value | OR (95% CI) | |
---|---|---|---|---|---|
Age | 20-29 | 72(79.78) | 19(20.22) | Â | Reference |
 | 30-39 | 59(51.75) | 55(48.25) | 7.73e-05 | 3.47 (1.82-6.63) |
 | 40-49 | 48(37.21) | 81(62.79) | 5.89e-10 | 6.42 (3.4-12.1) |
 | 50-59 | 13(30.96) | 29(69.04) | 1.14e-07 | 8.46 (3.64-19.63) |
 | 60-69 | 2(14.29) | 12(85.71) | 4.94e-07 | 23.3 (5.19-104.65) |
 | > 70 | 1(20) | 4(80) | 3.67e-03 | 13.77 (1.67-113.32) |
Gender | Male | 81(50.94) | 78 (49.06) | Â | Reference |
 | Female | 114 (48.31) | 122 (51.69) | 0.65 | 1.11 (0.7-1.74) |
Smoking habits | Nonsmokers | 179 (53.42) | 156 (46.58) | Â | Reference |
 | Smokers | 16 (26.67) | 44 (73.33) | 2.203134e-05 | 3.8 (1.97-7.33) |
Polymorphism rs2234671 | GG | 164 (84.1) | 166 (83.3) | Â | Reference |
 | CG | 28 (14.4) | 31(15.5) | 0.55 | 1.2 (0.65-2.2) |
 | CC | 3 (1.5) | 3 (1.5) | 0.89 | 1.13 (0.18-7.27) |
 | G | 356 (91.3) | 363 (90.8) |  | Reference |
 | C | 34 (8.7) | 37 (9.2) | 0.52 | 1.21 (0.68-2.15) |