Table 2 Bladder injury data of patients

Bladder injury length (cm)

5.20 ± 1.98

3.74 ± 1.63

0.002

Grade of iatrogenic bladder injuries (%)

 I

2 (4.4%) ^a

1 (3.7%) ^a

0.047

 II

3 (6.7%) ^a

0 (0%) ^a

 III

2 (4.4%) ^a

6 (22.2%) ^b

 IV

33 (73.3%) ^a

20 (74.1%) ^a

 V

5 (11.1%) ^a

0 (0%) ^a

Time of bladder injury detection

 Intraoperative

44 (97.8%) ^a

24 (89.9%) ^a

0.111

 Postoperative

1 (2.2%) ^a

3 (11.1%) ^a

Time of bladder injury occur

 Entry into the peritoneal cavity

3 (6.6%) ^a

7 (26%) ^b

< 0.001

 During bladder flap dissection

42 (93.4%) ^a

5 (18.5%) ^b

 During uterine incision or delivery

0 (0%) ^a

15 (55.5%) ^b