Clinical Utility of the Prenatal Ultrasound Score of the Placenta Combined with Magnetic Resonance Imaging in Diagnosis of Placenta Accreta during the Second and Third Trimester of Pregnancy

Table 2

Between-group comparison of patients’ general data.

Observation indicator	Accreta group (n = 75)	Non-accreta group (n = 33)	X^2/t
Age (years)			1.767	0.184
≥35 years	28 (37.33%)	8 (24.24%)
<35 years	47 (62.67%)	25 (75.76%)
Gestational age (weeks)	32.67 ± 2.69	32.88 ± 2.46	0.383	0.702
History of cesarean section	31 (41.33%)	7 (21.21%)	4.068	0.044
History of induced abortion	36 (48.00%)	9 (27.27%)	4.051	0.044
Placenta praevia	60 (80.00%)	19 (57.58%)	5.867	0.015
Educational degree			0.019	0.892
Senior high school and below	24 (32.00%)	11 (33.33%)
Senior high school and above	51 (68.00%)	22 (66.67%)