Research Article

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.

VariablesCategoryCases (%)Controls (%)Total (%)COR (95% CI)

Parity1-495 (70.4)235 (87)330 (81.5)1
≥540 (29.6)35 (13)75 (18.5)2.83 (1.69, 4.72)
Antenatal follow-upNo22 (16.3)13 (4.8)35 (8.6)3.85 (1.87, 7.91)
Yes113 (83.7)257 (95.2)370 (91.4)1
Number of antenatal visits112 (10.7)22 (8.3)34 (9)1.89 (0.88, 4.09)
2-351 (45.5)72 (27.3)123 (32.7)2.46 (1.52, 3.97)
≥449 (43.8)170 (64.4)219 (58.2)1
Gestational age in weeks28-3744 (32.6)60 (22.2)104 (25.7)1
37-4282 (60.7)198 (73.3)280 (69.1)0.56 (0.35, 0.9)
≥429 (6.7)12 (4.4)21 (5.2)1.02 (0.39, 2.64)
Number of pregnancy when rupturedSingleton135 (100)263 (97.4)398 (98.3)1
Multiple07 (2.6)7 (1.7)NA
Previous caesarean deliveryYes26 (19.3)7 (2.6)33 (8.1)8.96 (3.78, 21.26)
Interpregnancy interval after CSLess than 12 months16 (11.9)2 (0.7)18 (4.4)4.83 (1.61, 14.45)
Above 12 months10 (7.4)5 (1.9)15 (3.7)1
ChorioamnionitisYes4 (3)1 (0.4)5 (1.2)8.21 (0.91, 74.22)
Prehemoglobin level≤715 (11.1)19 (7)34 (8.4)2.68 (1.29, 5.56)
7-1154 (40)27 (10)81 (20)6.79 (3.96, 11.62)
≥1266 (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.