Table 2 Maternal and neonatal outcomes in subjects according to application of PBO

Operation time, min

186 (138–244)

108 (77–147)

< 0.001

EBL, ml

1800 (1000–3600)

1000 (500–1800)

< 0.001

EBL ≥ 2000 ml

27 (47.4%)

56 (24.6%)

0.001

Hysterectomy

13 (22.8%)

9 (3.9%)

< 0.001

Urological injury

8 (14.0%)

3 (1.3%)

< 0.001

ICU admission

12 (21.1%)

17 (7.5%)

0.002

Postoperative hospital length, days

8 (5.5-9)

5 (4–6)

< 0.001

Hospitalization cost, yuan

39,784 (33,303–48,179)

14,252 (11,248–19,442)

< 0.001

Puerperal infection

6 (10.5%)

13 (5.7%)

0.192

Pneumonia

1 (1.7%)

7 (3.1%)

0.591

Intestinal obstruction

4 (7.0%)

7 (3.1%)

0.166

Venous thrombosis of lower limb

6 (10.5%)

2 (0.8%)

0.001

Neonatal asphyxia

2 (3.5%)

6 (2.6%)

0.002

5-min APGAR score

9.5 (8–10)

10 (10–10)

0.72

Neonatal birth weight, g

2631.9 ± 447.8

2747.6 ± 555.4

0.165