Table 5 Binary logistic regression analysis of discharge without severe and moderate-severe morbidity.

From: Perinatal outcomes of twin pregnancies with preterm premature rupture of the membranes at 24–34 weeks’ gestation

Variables

Comparison

Discharge without moderate-severe morbidity

Discharge without severe morbidity

OR (95% CI)

P value

OR (95% CI)

P value

GA at PPROM(d)

Continuous

1.16 (1.12–1.20)

 < 0.01

1.11 (1.09–1.16)

 < 0.01

Latency period (d)

Continuous

1.16 (1.09–1.24)

 < 0.01

1.11 (1.01–1.23)

0.035

Complete steroids treatment

Yes reference: no

1.23 (0.72–2.25)

0.412

2.42 (0.97–6.03)

0.059

Chorioamnionitis

Yes ref: no

0.79 (0.29–2.13)

0.637

1.35 (0.50–3.68)

0.554

Chorionicity

DC ref: MC

0.61 (0.29–1.28)

0.192

0.98 (0.29–3.36)

0.910

5-min Apgar score

 ≤ 7 ref: > 7

8.60 (0.84–88.13)

0.070

8.22 (1.27–53.43)

0.027

Pregnancy complications

Presence ref: absence

0.93 (0.54–1.59)

0.787

2.93 (1.28–6.71)

0.011

  1. OR > 1 indicates improved odds of discharge without severe and moderate-severe morbidity relative to the comparison group.
  2. OR odds ratio, GA gestational age, PPROM pretem premature rupture of membranes, DC dichorionic, MC monochorionic.
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