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Table 4 Results of multivariable logistic regression for maternal glucocorticoid treatment as recommended within 7 days of delivery

From: Antenatal corticosteroid administration in women undergoing tocolytic treatment who delivered before 34 weeks of gestation: a retrospective cohort study using a national inpatient database

 

Odds ratio

95% Confidence interval

P value

Age (years)

  ≥ 40

1.11

0.71, 1.75

0.65

 35–39

1.13

0.80, 1.60

0.48

 30–34

1.12

0.81, 1.57

0.50

 25–29

0.95

0.67, 1.35

0.78

  < 20

1.08

0.55, 2.10

0.83

 20–24 (reference)

1.00

  

BMI (kg/m2)

  ≥ 30.00

1.34

0.91, 1.99

0.14

 25.0–29.9

0.84

0.67, 1.05

0.12

  < 18.5

0.97

0.67, 1.41

0.89

 18.5–24.9 (reference)

1.00

  

Smoking

 Yes

0.96

0.73, 1.28

0.79

 No

1.00

  

Multiple births

 Yes

1.06

0.78, 1.43

0.72

 No

1.00

  

PROM

 Yes

2.02

1.68, 2.41

< 0.001

 No

1.00

  

Placenta previa

 Yes

0.89

0.58, 1.35

0.57

 No

1.00

  

HDP

 Yes

0.97

0.57, 1.67

0.92

 No

1.00

  

GDM

 Yes

0.74

0.45, 1.22

0.23

 No

1.00

  

Gestational age at admission

0.99

0.97, 1.02

0.65

Duration of ritodrine hydrochloride

  ≤ 48 h (reference)

1.00

  

 3–6 days

2.52

2.05, 3.10

< 0.001

 7–13 days

0.66

0.49, 0.89

< 0.001

 14–27 days

0.38

0.27, 0.53

< 0.001

  ≥ 28 days

0.37

0.26, 0.52

< 0.001

  1. BMI body mass index, GA gestational age on admission, GDM gestational diabetes mellitus, HDP hypertensive disorders of pregnancy, PROM premature rupture of membranes