Prediction of Outcome for Transabdominal Cerclage in Women with Cervical Insufficiency

Table 3

Univariate analysis for the prediction of delivery before 34 weeks of gestation following TAC.

Independent variable	Univariate
	OR	95% CI	value
Maternal age (years)	0.210	0.027–1.645	0.137
BMI (kg/m^2)	0.858	0.264–2.794	0.799
Multiparity	1.806	0.587–5.556	0.302
Assisted conception	1.891	0.613–5.833	0.267
Previous live birth history	1.200	0.400–3.602	0.745
Prior TVC history	2.478	0.770–7.977	0.128
Past preterm delivery	3.444	0.755–15.700	0.110
Induced abortion history	0.557	0.152–2.043	0.377
Previous cervical surgery	0.482	0.105–2.220	0.348
Adenomyosis	5.583	1.640–19.012	0.005^*
Uterine anomaly	<0.001	<0.001–>999.999	0.986
Preoperative CL	4.196	0.974–18.065	0.054
Postoperative CL	1.015	0.928–1.111	0.745
CLat 20–24 weeks gestation	9.929	1.547–63.745	0.015^*

OR: odds ratio; CI: confidence interval; BMI: body mass index; TVC: transvaginal cerclage; CL: cervical length.
^*Statistically significant.