Association between IL-4 and IL-4R Polymorphisms and Periodontitis: A Meta-Analysis

Table 4

Meta-analysis of the association between the IL-4 -1099T/G polymorphism and periodontitis.

Genetic model and subgroup	Number of studies	Heterogeneity		Pooled results
			(%)	OR	95% CI	for OR
G versus T
Overall	2	0.48	0	1.2	(0.53–2.71)	0.66
GG versus TT
Overall	2	<0.01	86.7	6.58	(0.03–11.46)	0.73
TG versus TT
Overall	2	0.09	65.7	0.57	(0.32–1.04)	0.07
(GG + TG) versus TT
Overall	2	<0.01	93.7	0.73	(0.23–2.34)	0.60
GG versus (TT+TG)
Overall	2	<0.01	85.9	0.63	(0.03–11.35)	0.75