Case

control

Total

OR (CI 95%)

P

Variables

n = 114 (%)

n = 175 (%)

N = 289 (%)

Hospitalisation

Yes

106 (60.9)

109 (31.3)

215 (41.2)

3.42 (2.34 - 5)

0.000

No

68 (39.1)

239 (68.7)

307 (58.8)

Vomiting

Yes

7 (6.1)

1 (0.6)

8 (2.8)

11.38 (1.71 - 259.8)

0.010

No

107 (93.9)

174 (99.4)

281 (97.2)

Urinary tract Infection

Yes

15 (13.3)

38 (21.7)

53 (18.4)

0.55 (0.28 - 1.05)

0.050

No

98 (86.7)

137 (78.3)

235 (81.6)

Gestational diabetes

Yes

5 (4.4)

6 (3.4)

11 (3.8)

1.29 (0.35 - 4.53)

0.450

No

109 (95.6)

169 (96.6)

278 (96.2)

Hypertension in pregnancy

Yes

9 (7.89)

12 (6.85)

21 (7.26)

1.36 (0.23 - 2.88)

0.310

No

105 (92.11)

163 (93.15)

234 (92.74)

Placenta Prævia

Yes

5 (4.4)

11 (6.3)

16 (5.5)

0.68 (0.21 - 2)

0.340

No

109 (95.6)

164 (93.7)

273 (94.5)

TA/TPD*

Yes

74 (64.9)

70 (40)

144 (49.8)

2.78 (1.7 - 4.54)

0.000

No

40 (35.1)

105 (60)

145 (50.2)

Early Miscarriage

Yes

42 (24.1)

13 (3.7)

55 (10.5)

8.2 (4.31 - 16.22)

<0.001

No

132 (75.9)

47 (89.5)

467 (89.5)

Cervical cerclage

Yes

45 (25.9)

27 (7.8)

72 (13.8)

4.15 (2.47 - 7.02)

<0.001

No

129 (74.1)

321 (92.2)

450 (86.2)