Characteristics

Group I

(N = 38)

Group II

(N = 38)

P-value

Age, years (mean ± SD)

34.8 ± 2.4

35.2 ± 2.6

>0.05

BMI, Kg/m2 (mean ± SD)

28.5 ± 1.4

28.3 ± 1.6

>0.05

Parity (mean ± SD)

4.2 ± 0.2

4.3 ± 0.2

>0.05

Gestational age, weeks (mean ± SD)

37.0 ± 2.2

36.9 ± 2.3

>0.05

Risk Factors of Urinary tract injury (mean ± SD)

Cesarean section number

3.2 ± 0.4

3.6 ± 0.5

>0.05

Placenta previa

2.1 ± 0.6

2.2 ± 0.7

Placenta accreta

0.7 ± 0.2

0.8 ± 0.2

Previous myomectomy

3.0 ± 1.1

3.2 ± 1.3

Previous hysterotomy

0.5 ± 0.1

0.7 ± 0.2

Previous urinary bladder injury

2.2 ± 0.4

2.3 ± 0.6