Table 2.

Odds Ratios for Early Pregnancy Loss in the Factor XIII Val34Leu Polymorphism

	OR (95% CI)	P‐value
Val/Leu vs. Val/Val	1.7 (0.7–3.9)	0.217
Leu/Leu vs. Val/Leu	3.1 (0.3–30.0)	0.320
Leu/Leu vs. Val/Val	5.2 (0.5–49.3)	0.119
Val/Val vs. Val/Leu + Leu/Leu	1.9 (0.8–4.3)	0.121

OR, odds ratio; CI, confidence interval.

*P‐values < 0.05 were considered statistically significant.