Determinants of Uterine Rupture and Its Management Outcomes among Mothers Who Gave Birth at Public Hospitals of Tigrai, North Ethiopia: An Unmatched Case Control Study
Table 2
Obstetric conditions of cases and controls who gave birth at public hospitals of Tigray, North Ethiopia.
Variables
Category
Cases (%)
Controls (%)
Total (%)
COR (95% CI)
Parity
1-4
95 (70.4)
235 (87)
330 (81.5)
1
≥5
40 (29.6)
35 (13)
75 (18.5)
2.83 (1.69, 4.72)
Antenatal follow-up
No
22 (16.3)
13 (4.8)
35 (8.6)
3.85 (1.87, 7.91)
Yes
113 (83.7)
257 (95.2)
370 (91.4)
1
Number of antenatal visits
1
12 (10.7)
22 (8.3)
34 (9)
1.89 (0.88, 4.09)
2-3
51 (45.5)
72 (27.3)
123 (32.7)
2.46 (1.52, 3.97)
≥4
49 (43.8)
170 (64.4)
219 (58.2)
1
Gestational age in weeks
28-37
44 (32.6)
60 (22.2)
104 (25.7)
1
37-42
82 (60.7)
198 (73.3)
280 (69.1)
0.56 (0.35, 0.9)
≥42
9 (6.7)
12 (4.4)
21 (5.2)
1.02 (0.39, 2.64)
Number of pregnancy when ruptured
Singleton
135 (100)
263 (97.4)
398 (98.3)
1
Multiple
0
7 (2.6)
7 (1.7)
NA
Previous caesarean delivery
Yes
26 (19.3)
7 (2.6)
33 (8.1)
8.96 (3.78, 21.26)
Interpregnancy interval after CS
Less than 12 months
16 (11.9)
2 (0.7)
18 (4.4)
4.83 (1.61, 14.45)
Above 12 months
10 (7.4)
5 (1.9)
15 (3.7)
1
Chorioamnionitis
Yes
4 (3)
1 (0.4)
5 (1.2)
8.21 (0.91, 74.22)
Prehemoglobin level
≤7
15 (11.1)
19 (7)
34 (8.4)
2.68 (1.29, 5.56)
7-11
54 (40)
27 (10)
81 (20)
6.79 (3.96, 11.62)
≥12
66 (48.9)
224 (83)
290 (71.6)
1
NA = not applicable because of few in numbers. Prehemoglobin level: the level of hemoglobin before uterine rupture.