Viable Extreme Preterm Birth and Some Neonatal Outcomes in Double Cerclage versus Traditional Cerclage: A Randomized Clinical Trial

Table 1

Age, gravid and gestational age before cerclage compared between trial groups.

Group	Statistic	Age	Gravid	Gestational age at cerclage time	Cervical length
Traditional cerclage	Mean	26.3	2.4	15.5	25.3
	Median	24	2	15	23.5
	SD	7.6	1.3	2.1	5.8
Double celclage	Mean	27.3	3	16.1	24.5
	Median	28	3	15.5	23
	SD	5.9	1.4	2.2	4.6
Total	Mean	26.8	2.7	15.8	24.9
	Median	25	2.5	15	23
	SD	6.7	1.4	2.2	5.2