Review Article

Genetic Factors and the Risk of Periodontitis Development: Findings from a Systematic Review Composed of 13 Studies of Meta-Analysis with 71,531 Participants

Table 2

Statistical characteristics and results about heterogeneity value of the studies in meta-analysis and included in systematic search.

MedAuthor and referencePolymorphismI2 (%)Statistical model usedPeriodontitis classification

IL-1AWang et al. [18]−889 C/T28.86P > 0.05FEAggressive
Silva et al. [15]−889 C/T15P = 0.28FEChronic

IL-1BZeng et al. [19]−511 C/T79.54P < 0.05REChronic
Chen et al. [20]+3954 C/T62.2P < 0.05REAggressive
Ma et al. [21]+3954 C/T81%P < 0.05REChronic

IL-4Yan et al. [17]−590 C/T
−33 C/T
70 pb
90.4
85.7
75.1
P < 0.05
P < 0.05
P < 0.05
RE
RE
RE
Aggressive/chronic

IL-6Song et al. [22]−174 G/C
−572 G/C
64.9
61.8
P < 0.05
P < 0.05
RE
RE
Aggressive/chronic

IL-8Chen et al. [23]−251 A/T
−845 T/C
NR
NR
P < 0.001
P = 0.40
RE
FE
Aggressive/chronic

IL-10Zhong et al. [24]−1082 A/G
−819 C/T
−592 C/A
23.9
29.8
56.6
P = 0.26
P = 0.20
P = 0.04
FE
FE
RE
Aggressive/chronic

IL-18Li et al. [25]−607 A/C
−137 G/C
38.1
0
P = 0.19
P = 0.97
FE
FE
Aggressive/chronic

FCGR2A
FCGR3A
FCGR3B
Song and Lee [10]R131H
F158V
NA1/NA2
5.95
0
NA
0
0
84.7
P = 0.45
P = 0.49
NA
P = 0.48
P = 0.56
P = 0.001
FE
FE
NA
FE
FE
RE
Chronic
Aggressive
Chronic
Aggressive
Chronic
Aggressive

COX-2Jiang et al. [8]−765G/C
−1195G/A
8473 T/C
95.4
96.7
75.9
NA
0
P < 0.05
P < 0.05
P < 0.05
NA
P > 0.05
RE
RE
RE
NA
FE
Chronic
Aggressive
Chronic
Aggressive
Chronic

MMP-2
MMP-3
MMP-8
MMP-9
Weng et al. [11]−753 C/T
−1171 A5/A6
−799C/T
−1562 C/T
0
29.9
34.4
NA
0
85.3
85.8
0
P > 0.05
P > 0.05
P = 0.17
NA
P > 0.05
P < 0.05
P < 0.001
P = 0.49
FE
FE
FE
NA
FE
RE
RE
FE
Chronic
Aggressive
Chronic
Aggressive
Chronic
Aggressive
Chronic
Aggressive

Med: inflammatory mediator, IL: interleukins, FGCGR: receptor Fcγ, COX-2: cyclooxygenase 2, MMP: matrix metalloproteinase, I2: chi-squared based Q statistic test, NR: not reported, NA: not applicable, and P < 0.05: statistic value significant.