Risk factor

Cases

NB’s with infection

Controls

NB’s without infection

Total

FI

FI%

FI

FI%

FI

FI%

Gestational Age

30 - 36 weeks and 6 d

35

34.31

13

12.75

48

47.06

37 - 41 weeks and 6 d

21

20.59

32

31.37

53

51.96

More than 42 weeks

01

0.98

_

_

01

0.98

Total

57

55.88

45

44.12

102

100

Type of Childbirth

Cesarean childbirth

32

31.37

27

26.47

59

57.84

Vaginal childbirth

25

24.51

18

17.65

43

42.16

Total

57

55.88

45

44.12

102

100

Time of Rupture of the Amniotic Sac

Over 12 hours break

14

13.72

07

6.86

21

20.58

Up to 12 hours break

43

42.16

38

37.26

81

79.42

Total

57

55.89

45

44.12

102

100

Length of Hospital Stay

More than 10 days of hospitalization

41

40.20

16

15.69

56

55.89

Less than 10 days of hospitalization

16

15.68

29

28.43

46

44.12

Total

57

55.88

45

44.12

102

100