Parameter

Category

Type of Cesarean section

p-value

Elective (N = 385)

Emergency (N = 55)

Freq.

%

Freq.

%

Age

Mean, SD

33.11

4.77

31.49

4.90

0.020*t

Parity

2

180

46.8

29

52.7

0.614

3

147

38.2

20

36.4

4+

58

15.1

6

10.9

Previous term labor

Median, P95

2

6.7

2

6

0.467M

Previous term labor (categorical)

0 - 1

15

3.9

4

7.3

0.479

2

178

46.2

26

47.3

>2

192

49.9

25

45.5

Previous preterm labor

None

354

91.9

48

87.3

0.248

1 or 2

31

8.1

7

12.7

SVD

None

282

73.2

39

70.9

0.731

1

48

12.5

6

10.9

2+

55

14.3

10

18.2

No. of c/s

2

241

62.6

38

69.1

0.460

3

115

29.9

12

21.8

4+

29

7.5

5

9.1

Time interval from last c/s

Mean, SD

3.65

1.93

3.71

1.78

0.840t

Time interval from last c/s (categorical)

<2 years

46

11.9

4

7.3

0.372F

2+ years

339

88.1

51

92.7

Gestational diabetes

No

295

76.6

41

74.5

0.734

Yes

90

23.4

14

25.5

Smoking status

Smoker

9

2.3

0

0.0

0.610

Nonsmoker

376

97.7

55

100.0

Job status

Employed

78

20.3

8

14.5

0.317

Unemployed

307

79.7

47

85.5

BMI (kg/m2)

Mean, SD

33.00

5.95

32.41

6.28

0.495t

Planned timing (gestational age)

38 weeks

285

74.0

33

60.0

0.030*

39 weeks

100

26.0

22

40.0