Association of Combined Maternal-Fetal TNF-𝛼 Gene G308A Genotypes with Preterm Delivery: A Gene-Gene Interaction Study

Table 4

Associations of maternal and fetal TNF-𝛼 gene G308A genotypes with preterm delivery.

TNF-𝛼 G308A	Child		Mother
Genotype*	RR	95%CI	RR	95%CI
GG^†	1.0	—	1.0	—
GA	0.58	0.23–1.42	0.46	0.20–1.04
AA	0.93	0.28–3.04	1.23	0.34–4.46

*: GG: homozygous wild type; GA: heterozygous variant type; AA: homozygous variant type.
^†: Reference category.