Research Article

Interleukin-17A Gene Variability in Patients with Type 1 Diabetes Mellitus and Chronic Periodontitis: Its Correlation with IL-17 Levels and the Occurrence of Periodontopathic Bacteria

Table 4

IL-17A −197A/G (rs2275913) genotype and allele frequencies in healthy controls and patients with CP stratified by smoking status.

IL-17A −197Control
nonsmokers
Control
smokers
CP
nonsmokers
CP
smokers

Genotype and allele
(%)

(%)

(%)

(%)

AA10 (9.2)8 (18.2)28 (16.2)4 (6.6)
AG49 (45.4)22 (50.0)67 (38.7)24 (39.3)
GG49 (45.4)14 (31.8)0.1678 (45.1)33 (54.1)0.150.220.04
AA + AG
versus GG
59 versus 49
(54.6/45.4)
30 versus 14
(68.2/31.8)
0.0995 versus 78
(54.9/45.1)
28 versus 33
(45.9/54.1)
0.140.100.02
A69 (31.9)38 (43.2)123 (35.5)32 (26.2)
G147 (68.1)50 (56.8)0.04223 (64.5)90 (73.8)0.040.220.01

CP = chronic periodontitis, = number of subjects, and value < 0.05.
comparison of groups of nonsmokers.
comparison of groups of smokers.