Effects of Single-Nucleotide Polymorphisms in Cytokine, Toll-Like Receptor, and Progesterone Receptor Genes on Risk of Miscarriage

Table 10

TGF-β1 C509T polymorphism analysis with general additive model of inheritance.

Genotype	Women with miscarriage frequency	Control group frequency	χ^2		Odds ratio
					Values	95% CI
CC	0.425	0.324	1.88	0.39	1.54	0.83–2.86
CT	0.491	0.568			0.73	0.40–1.33
TT	0.085	0.108			0.77	0.28–2.09

Estimated genotype frequencies as well as corresponding odds ratios and 95% confidence interval (significance level of 0.05) in the group of women with miscarriage and the control group.