Variables

Total

n(%) [95% CI]

Sub-groups

MSAF

n(%)

CAF

n(%)

P-value

Parity

Primiparous

182 (45.1) [40.3 - 49.9]

96 (45.07)

96 (45.07)

1

Multiparous

234 (54.9) [50.1 - 59.7]

117 (54.93)

117 (54.93)

1

Number of ANC

<4

71 (16.7) [13.3 - 20.6]

39 (18.31)

32 (15.02)

0.3623

≥4

355 (83.3) [79.4 - 86.7]

174 (81.69)

181 (84.98)

0.3623

Gestational age at delivery (weeks)

[37 - 38]

60 (14.1) [11.0 - 17.8]

19 (8.92)

41 (19.25)

0.0022

]38 - 40]

220 (51.6) [46.8 - 56.5]

105 (49.30)

115 (53.99)

0.3328

]40 - 42]

146 (34.3) [29.8 - 39.0]

89 (41.78)

57 (26.76)

0.0011

Pathologies in pregnancy

Anaemia

32 (21.6) [15.3 - 9.1]

14 (6.57)

18 (8.85)

0.4616

Malaria

70 (16.4) [13.1 - 0.4]

42 (19.72)

28 (13.15)

0.0673

HIV infection

13 (3.1) [1.7 - 5.3]

7 (3.29)

6 (2.82)

0.7781

Other STIs

32 (7.5) [5.3 - 10.5]

22 (10.33)

10 (4.69)

0.0272

Hypertension

27 (6.3) [4.3 - 9.2]

9 (4.23)

18 (8.45)

0.0739

History of C/S

49 (11.5) [8.7 - 15.0]

24 (11.27)

25 (11.74)

0.8792

Mode of membrane rupture

Spontaneous

193 (45.3) [40.5 - 50.2]

105 (49.30)

88 (41.31)

0.0976

Artificial

233 (54.7) [49.8 - 59.5]

108 (50.70)

125 (58.69)

0.0976

Delay of membrane rupture

Premature rupture

60 (14.1) [11.0 - 7.8]

28 (13.15)

32 (15.02)

0.5791

Prolonged rupture

58 (13.6) [10.6 - 7.3]

39 (18.31)

19 (8.92)

0.0047