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Table 2 Multivariate analysis for pregnancy outcome after cervical cerclage

From: Effects of vaginal microecology and immunity on the pregnancy outcome of cervical cerclage

Factor

Outcome

β

S.E

Wald

OR (95% CI)

P

Surgical timing

− 3.230

0.960

11.322

0.040 (0.006–0.260)

0.001

Gestational age of cerclage

2.374

1.425

2.776

10.739 (0.658–175.289)

0.096

Cervical canal length

− 2.048

1.077

3.619

0.129 (0.016–1.064)

0.057

Preoperative invasive procedures

1.538

0.862

3.182

4.655 (0.859–25.224)

0.074

Genital tract infections

2.145

0.809

7.037

8.546 (1.751–41.703)

0.008

Pre-pregnancy BMI

0.447

0.737

0.367

1.563 (0.369–6.629)

0.544