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Table 1 Baseline characteristics of two groups

From: Outcomes of prophylactic abdominal aortic balloon occlusion in patients with placenta previa accreta: a propensity score matching analysis

 

Entire cohort

Propensity score-matched cohort

 

Balloon(68)

Control(88)

P value

Balloon(28)

Control(28)

P value

Maternal age, y

33.38 ± 4.65

33.80 ± 4.13

0.56

33.79 ± 5.43

33.32 ± 4.41

0.73

BMI at delivery, kg/m2

26.54 ± 3.38

26.45 ± 3.75

0.87

26.25 ± 3.09

26.05 ± 2.50

0.80

Gravidity

  ≤ 3

43(63.24%)

37(42.05%)

0.01*

13(46.43%)

15(53.57%)

0.59

  ≥ 4

25(36.76%)

51(57.95%)

 

15(53.57%)

13(46.43%)

 

Parity

  ≤ 1

59(86.76%)

75(85.23%)

0.78

22(78.57%)

24(85.71%)

0.73

  ≥ 2

9(13.24%)

13(14.77%)

 

6(21.43%)

4(14.29%)

 

Prior uterine curettage

  ≤ 2

59(86.76%)

65(73.86%)

0.048*

24(85.71%)

24(85.71%)

1.00

  ≥ 3

9(13.24%)

23(26.14%)

 

4(14.29%)

4(14.29%)

 

Prior cesarean deliveries

  ≤ 1

59(86.76%)

77(87.50%)

0.89

23(82.14%)

25(89.29%)

0.70

  ≥ 2

9(13.24%)

11(12.50%)

 

5(17.86%)

3(10.71%)

 

History of placenta previa

 Yes

7(10.29%)

5(5.68%)

0.28

1(3.57%)

1(3.57%)

1.00

 No

61(89.71%)

83(94.32%)

 

27(96.43%)

27(96.43%)

 

History of postpartum hemorrhage

 Yes

6(8.82%)

1(1.14%)

0.06

1(3.57%)

1(3.57%)

1.00

 No

62(91.18%)

87(98.86%)

 

27(96.43%)

27(96.43%)

 

Hypertensive disorders

 Yes

3(4.41%)

6(6.82%)

0.77

2(7.14%)

2(7.14%)

1.00

 No

65(95.59%)

82(93.18%)

 

26(92.86%)

26(92.86%)

 

Gestational diabetes mellitus

 Yes

10(14.71%)

13(14.77%)

1.00

4(14.29%)

1(3.57%)

0.35

 No

58(85.29%)

75(85.23%)

 

24(85.71%)

27(96.43%)

 

Anterior placenta

 Yes

57(83.82%)

64(72.73%)

0.10

22(78.57%)

21(75.00%)

0.75

 No

10(14.93%)

24(27.27%)

 

6(21.43%)

7(25.00%)

 

Degree of PAS

 Grade 1 (Placenta accreta)

23(33.82%)

36(40.91%)

0.56

0(0.00%)

3(10.71%)

0.19

 Grade 2 (Placenta increta)

38(55.88%)

46(52.27%)

 

16(57.14%)

13(46.43%)

 

 Grade 3 (Placenta percreta)

7(10.29%)

6(6.82%)

 

12(42.86%)

12(42.86%)

 

Preoperative level of hemoglobin (g/dl)

110.28 ± 10.18

109.58 ± 11.50

0.69

110.39 ± 9.09

110.29 ± 12.38

0.97

Gestational age at delivery

35.98 ± 1.82

35.52 ± 2.49

0.21

35.98 ± 2.18

35.44 ± 2.70

0.41

  1. Abbreviations: BMI Body mass index, PAS Placenta accreta spectrum
  2. Values are given as mean ± SD or number (percentage)
  3. *Significance values