Variables

Maternal age

<20 years

20 - 25 years

% (n = 285)

% (n = 1394)

Odds ratio [CI 95%]

p

Preeclampsia/eclampsia

3.15 (9)

0.93 (13)

3.46 [1.46 - 8.18]

0.006

Placenta previa

0.35 (1)

0.14 (2)

2.45 [0.04 - 47.18]

0.428

Abruptio placenta

0.35 (1)

0.14 (2)

2.45 [0.04 - 47.18]

0.428

Cesarean sections

13.68 (39)

12.98 (181)

1.07 [0.73 - 1.55]

0.717

Induction of labor

7.71 (22)

15.06 (210)

0.47 [0.29 - 0.77]

0.001

Vaginal instrumental delivery

2.45 (7)

2.94 (41)

0.77 [0.31 - 1.82]

0.53

Perineal tear

20.35 (58)

22.38 (312)

0,82 [0.61 - 1.23]

0.41

Episiotomy

19.29 (55)

18.00 (251)

1.07 [0.74 - 1.53]

0.715

Post partum hemorrhage

0.35 (1)

0.64 (9)

0.54 [0.01 - 3.93]

1.000