Table 2.

Multivariable logistic model for SPPH

Independent risk factors	Adjusted OR	95% CI	P
Maternal age < 18y	11.52	1.51–87.62	0.018
Previous cesarean section	2.57	1.90–3.47	< 0.001
History of PPH	4.94	2.63–9.29	< 0.001
IVF	1.78	1.31–2.43	< 0.001
Anemia	2.37	1.88–3.00	< 0.001
Stillbirth	2.61	1.02–6.69	0.045
Prolonged labor	5.24	3.10–8.86	< 0.001
Cesarean section	0.58	0.46–0.74	< 0.001
Placenta previa	9.75	7.45–12.75	< 0.001
Placental abruption	3.85	1.91–7.76	< 0.001
PAS	8.00	6.20–10.33	< 0.001
Macrosomia	2.30	1.38–3.83	0.001

IVF in vitro fertilization, PAS placenta accrete spectrum