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Table 2 Preventive induction vs. expectant management in relation to maternal and perinatal outcomes in nulliparas

From: Preventive induction of labor for non-urgent indications at term and maternal and neonatal outcomes

Gestational

Propensity

Cesarean delivery

Maternal outcomes

Neonatal outcomes

NICU admission

Induction

Expectant

 

Induction

Expectant

 

Induction

Expectant

 

Induction

Expectant

 

Age (week)

Score level

(%)

(%)

P

(%)

(%)

P

(%)

(%)

P

(%)

(%)

P

37+0–37+6

1

25.0

24.0

 

4.7

9.6

 

1.6

3.8

 

8.6

6.7

 
 

2

31.0

29.2

 

5.4

6.2

 

1.6

3.7

 

6.2

7.0

 
 

3

32.0

35.9

 

4.7

5.6

 

7.0

3.6

*

13.3

6.7

**

 

4

31.0

43.1

*

4.7

8.1

 

3.9

2.8

 

7.0

6.4

 

38+0–38+3

1

27.4

23.6

 

11.4

10.0

 

3.4

3.9

 

10.9

6.9

*

 

2

26.1

36.6

**

8.5

6.9

 

3.4

3.3

 

9.1

6.9

 
 

3

24.0

25.6

 

12.0

5.1

***

2.9

3.7

 

4.6

5.5

 
 

4

37.5

43.3

 

6.3

6.2

 

2.3

3.0

 

5.1

6.8

 

38+4–38+6

1

27.1

25.5

 

11.8

9.7

 

4.7

3.9

 

4.7

7.1

 
 

2

29.4

28.5

 

5.9

6.3

 

5.9

3.1

 

8.2

5.4

 
 

3

30.6

36.1

 

7.1

6.6

 

0.0

2.9

 

1.2

5.5

 
 

4

41.2

43.3

 

2.4

5.5

 

0.0

3.5

 

2.4

5.5

 

39+0–39+3

1

34.3

27.9

*

8.8

8.5

 

2.4

4.2

 

4.0

7.6

*

 

2

30.2

26.8

 

9.5

11.5

 

2.4

3.8

 

7.5

6.4

 
 

3

32.7

27.8

 

15.1

9.2

**

3.2

4.0

 

5.2

7.0

 
 

4

34.9

38.8

 

11.1

10.2

 

2.0

4.5

 

6.0

7.6

 

39+4–39+6

1

17.3

27.9

 

15.4

10.3

 

3.8

4.4

 

5.8

7.9

 
 

2

39.6

31.8

 

11.3

5.8

 

0.0

3.5

 

1.9

4.8

 
 

3

38.5

28.3

 

5.8

7.3

 

1.9

3.6

 

3.8

5.6

 
 

4

32.1

37.2

 

11.3

4.6

*

3.8

2.9

 

5.7

6.6

 
  1. *p < 0.05; **p < 0.01; ***p < 0.001