Table 1 Patients’ demographics between Normal + PA and PI + PP groups.

From: Increased intra-myometrial vascularity adds diagnostic value to MRI for high-risk placenta accreta spectrum

Variables

Normal + PA

(n = 136)

PI + PP

(n = 30)

p value

Maternal age at delivery (years) (Mean ± SD)

34 ± 3.95

36 ± 4.95

0.0511

Gestational age at MRI (weeks) (Mean ± SD)

34 ± 3.00

32 ± 3.93

0.0519

History of cesarean section (number of times (%))

0

82 (60%)

8 (27%)

0.0003*

1

49 (36%)

16 (53%)

2

4 (3%)

6 (20%)

3

1 (100%)

0 (0%)

History of other direct surgery to the uterus (N (%))

18 (82%)

4 (18%)

0.9886

IVF (N (%))

18 (82%)

18 (82%)

0.1470

GDM (N (%))

29 (21%)

9 (30%)

0.3059

Hypertension (N (%))

7 (5%)

2 (7%)

0.7394

Low-lying placenta or placenta previa (N (%))

110 (82%)

30 (100%)

0.0091*

Postpartum Interventions (N (%))

31 (23%)

18 (60%)

< 0.0001*

Major events (N (%))

20 (15%)

27 (90%)

< 0.0001*

  1. p values with * are statistically significant.
  2. PA: placenta accrea, PI: placenta increta, PP: placenta percreta.
  3. The direct surgery included myomectomy, conization, dilation and curettage, cervical cerclage.
  4. IVF: in vitro fertilization.
  5. GDM: gestational diabetes mellitus.
  6. Postpartum Interventions: refers to uterine artery embolization.
  7. Major events included bleeding > 1 L, hysterectomy, bladder repairing, blood transfusion, the placement of an abdominal aortic balloon or uterine artery embolization, and an admission to the intensive care unit.
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