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Table 2 Sonography related indices among individuals classified as high risk*

From: Introducing an efficient model for the prediction of placenta accreta spectrum using the MCP regression approach based on sonography indexes: how efficient is sonography in diagnosing accreta?

Variable

Sub group

PAS (n = 43)

No PAS (n = 31)

P-value

Abnormal placental lacuna

No

0

170 (78.7)

< 0.001

Grade 1

4 (9.3)

28 (13)

Grade 2

12 (27.9)

17 (7.9)

Grade 3

27 (62.8)

1 (0.5)

Lacunar flow

 

16.59 ± 8.63

1.02 ± 3.69

< 0.001

Bladder interruption

No

6 (14)

31 (100)

< 0.001

Yes

37 (86)

0

Myometrial thinning

No

15 (34.9)

30 (96.8)

< 0.001

Yes

28 (65.1)

1 (3.2)

Placental bulging

No

25 (58.1)

31 (100)

< 0.001

Yes

18 (41.9)

0

Exophytic mass

No

25 (58.1)

31 (100)

< 0.001

Yes

18 (41.9)

0

Vesicular hypervascularity

No

0

28 (90.3)

< 0.001

Yes

42 (100)

3 (9.7)

Subplacental hypervascularity

No

5 (11.6)

29 (93.5)

< 0.001

Yes

38 (88.4)

2 (6.5)

Bridging vessels

No

4 (9.3)

31 (100)

< 0.001

Yes

39 (90.7)

0

Loss of clear zone

No

20 (46.5)

30 (96.8)

< 0.001

Yes

23 (53.5)

1 (3.2)

  1. PAS: placenta accreta spectrum
  2. *All plus-minus values are means and standard deviations, unless stated otherwise. Sonography indices were only evaluated in patients who were considered high risk (except for evaluation of lacunar structures and subsequently, lacunar blood flow)