Variables

Cases

N = 152

n (%)

Controls

N = 456

n (%)

OR (CI = 95%)

p-value

Gravidity

Multigravida

74 (48.68)

227 (49.78)

6.45 (5.27 - 8.02)

0.04

Paucigravida

52 (34.21)

140 (30.70)

0.59 (0.41 - 0.85)

<0.01

Primigravida

26 (17.11)

103 (22.58)

0.46 (0.28 - 0.76)

<0.01

Parity

Multipara

66 (43.42)

236 (51.75)

1.36 (0.01 - 3.84)

0.65

Paucipara

50 (32.89)

129 (28.28)

1.25 (0.74 - 1.47)

0.03

Primipara

36 (23.68)

105 (23.02)

1.21 (0.87 - 1.70)

<0.01

Obstetric and gynaecological history

History of abortion

69 (45.39)

115 (25.21)

3.56 (2.75 - 5.76)

<0.01

History of PPH

1 (0.66)

7 (01.53)

6.97 (4.60 - 9.20)

0.24

History of hypertension

03 (1.97)

34 (07.45)

0.08 (0.01 - 0.62)

<0.01

History of caesarian section

20 (13.16)

111 (24.34)

0,49 (0.29 - 0.82)

<0.01

Myomectomy

1 (0.66)

26 (05.70)

0.11 (0.01 - 0.84)

<0.01

Drug history

Traditional uterotonics

03 (1.97)

13 (02.85)

2.27 (1.40 - 3.69)

<0.01