Success (n = 47)

Failure (n = 15)

P-value

Maternal age (years)

30.98 ± 4.56^↑

28.67 ± 5.41^↑

0.108

Number of previous miscarriages

2 (0 - 5)^γ, MR: 30.30

2 (0 - 7)^γ, MR: 35.27

0.327

Number of gravidity

3 (1 - 6)^γ, MR: 30.35

3 (1 - 8)^γ, MR: 35.10

0.357

Cervical length (cm)

2.88 ± 0.78^↑

2.66 ± 1.20^↑

0.450

Cervical dilatation (cm)

1.47 ± 0.70^↑

1.66 ± 0.77^↑

0.650

Gestational age at cerclage (weeks)

15.14 (12.43 - 26.57)^γ

16 (12 - 20)^γ

0.324

Pregnancy prolongation (weeks)

22 (3 - 27)^γ

4 (1 - 11.57)^γ

<0.0001***

Gestational age at delivery (weeks)

37.29 (27.29 - 40.14)^γ

21 (13 - 26.71)^γ

<0.0001***

Preoperative leucocyte count (×10⁹/L)

10.59 ± 1.71^↑

10.06 ± 1.77^↑

0.389

Postoperative CRP (mg/L)

9.50 ± 5.83^↑

14.8 ± 2.31^↑

0.017*

PROM (%)

12.8% (6/47)

46.7% (7/15)

0.010*