Discussion on the Timing of Balloon Occlusion of the Abdominal Aorta during a Caesarean Section in Patients with Pernicious Placenta Previa Complicated with Placenta Accreta

Table 1

The comparison of the general situation between the two groups.

Group	Cases	Age (years old)	Gravidity	Previous cesarean section times	Gestational weeks (week)	Cesarean section hemorrhage
Group A	42		3.5 ± 1.5	1.1 ± 0.3	35.5 ± 2.8	1.1 ± 0.3
Group B	37	31.6 ± 3.6	3.4 ± 1.5	1.4 ± 0.6	35.5 ± 3.0	1.4 ± 0.6
value		0.208	0.107	−1.717	0.055	−1.717
value		0.836	0.915	0.092	0.957	0.092