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Table 4 Univariate and multivariate logistic analysis of the entire cohort for the primary outcome

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

Variable

Univariate analysis

Multivariate logistic analysis

 

OR (95% CI)

P value

OR (95% CI)

P value

Maternal age, y

1.02(0.94 ~ 1.10)

0.69

NA

NA

BMI at delivery, kg/m2

1.06(0.96 ~ 1.16)

0.24

NA

NA

Gravidity

  ≤ 3

1

Reference

NA

NA

  ≥ 4

1.14(0.59 ~ 2.22)

0.69

NA

NA

Parity

  ≤ 1

1

Reference

NA

NA

  ≥ 2

1.13(0.44 ~ 2.89)

0.80

NA

NA

Prior uterine curettage

  ≤ 2

1

Reference

NA

NA

  ≥ 3

1.22(0.54 ~ 2.72)

0.64

NA

NA

Prior cesarean delivery

  ≤ 1

1

Reference

NA

NA

  ≥ 2

1.35(0.52 ~ 3.53)

0.54

NA

NA

 History of placenta previa

2.06(0.63 ~ 6.74)

0.22

NA

NA

 History of postpartum hemorrhage

1.49(0.32 ~ 6.89)

0.92

NA

NA

 Hypertensive disorders

0.97(0.23 ~ 4.04)

1.00

NA

NA

 Diabetes

0.83(0.32 ~ 2.16)

0.70

NA

NA

 Anterior placenta

1.16(0.52 ~ 2.60)

0.72

NA

NA

 Degree of PAS

  

2.73(1.50 ~ 4.96)

 < 0.01*

 Grade 1 (Placenta accreta)

1

Reference

  

 Grade 2 (Placenta increta)

2.53(1.17 ~ 5.48)

0.02

  

 Grade 3 (Placenta percreta)

6.27(1.73 ~ 22.64)

 < 0.01*

  

Preoperative level of hemoglobin

0.98(0.95 ~ 1.01)

0.27

NA

NA

Intra-aortic balloon occlusion

0.55(0.27 ~ 1.08)

0.08

0.46(0.23 ~ 0.96)

0.04

  1. Abbreviations: BMI Body mass index, PAS Placenta accreta spectrum
  2. Primary outcome includes estimated blood loss ≥ 2.0L, massive transfusion and hysterectomy
  3. *Significance values