Whole sample

(n = 52)

N (%)

NNI+

(n = 19)

N (%)

NNI−

(n = 33)

N (%)

p

OR

CI

Gestational age

0.001

3.53

1.70 - 7.33

<37 weeks

17 (32.7)

12 (63.2)

5 (15.2)

≥37 weeks

35 (68.6)

7 (36.8)

28 (84.8)

Birth weight

0.004

3.43

1.56 - 6.22

<2500 g

19 (36.5)

10 (52.6)

9 (27.3)

≥2500 g

33 (63.5)

9 (47.4)

24 (72.7)

Intrapartum fever

0.876

1.18

0.18 - 7.75

Yes

5 (9.6)

2 (10.5)

3 (9.1)

No

47 (90.4)

17 (89.5)

30 (90.9)

Malaria

0.730

0.82

0.26 - 2.55

Yes

29 (55.8)

10 (52.6)

19 (57.6)

No

23 (44.2)

9 (47.4)

14 (42.4)

PROM

0.000

0.25

0.15 - 0.42

Yes

8 (15.4)

8 (42.1)

0 (0.0)

No

44 (84.6)

11 (57.9)

33 (100.0)

UGI

0.049

3.34

1.0 - 11.41

Yes

16 (30.8)

9 (47.4)

7 (21.2)

No

36 (69.2)

10 (52.6)

26 (78.8)

Aspect of amniotic fluid

0.009

0.30

0.19 - 0.46

Clear

47 (90.4)

14 (73.7)

33 (100.0)

Meconium

5 (9.6)

5 (26.3)

0 (0.0)

Cerclage

0.034

0.40

0.22 - 0.73

Yes

5 (9.6)

4 (21.1)

1 (3.0)

No

47 (90.4)

15 (78.9)

32 (97.0)

Way of delivery

0.219

2.10

0.65 - 6.54

Vaginal

25 (48.1)

7 (36.8)

18 (54.5)

Cesarean section

27 (51.9)

12 (63.2)

15 (45.5)