Analysis of the Timing of Cervical Cerclage Treatment in Pregnant Women with Cervical Insufficiency and the Effect on Pregnancy Outcome

Table 1

Comparison of general information of pregnant women in each group.

Group	Age (years)	Pregnancy time (times)	Spontaneous abortion history (cases)			Preterm birth history (cases)
			Once	Twice	3 times
Early group (n = 86)	30.78 ± 3.00	3.14 ± 0.38	46	29	11	6
Middle group (n = 74)	29.97 ± 2.23	3.12 ± 0.52	40	25	9	7
t/χ^2	1.619	0.280	0.005	0.001	0.014	0.328
P	0.107	0.780	0.943	0.993	0.905	0.567
Elective group (n = 71)	31.10 ± 2.17	3.11 ± 0.36	42	24	6	5
Emergency group (n = 89)	30.40 ± 2.39	3.15 ± 0.51	44	30	14	8
t/χ^2	1.659	0.579	1.500	0.001	1.914	1.330
P	0.099	0.564	0.221	0.990	0.167	0.249