Variable

Low risk

%

High risk

%

RR

(CI)

p-value

Socio-demographic data

Age (year) median*

26.12

27.7

-

<0.001

Multiparous (%)

53.1

64.4

-

<0.001

Medical interventions

Caesarean section

8.7

26.4

-

<0.001

Episiotomy

27.5

16.6

-

<0.001

Obstetrical complications

Dystocia

3.2

7.3

2.376

(2.125 - 2.657)

<0.001

Postpartum haemorrhage

0.15

0.38

2.478

(1.503 - 4.088)

<0.001

Maternal death

0.009

0.11

-

<0.001

Neonatal outcomes

Fetal weight (g)

3115

2989

-

<0.001

Acute fetal distress

4.1

5.9

1.461

(1.318 - 1.618)

1 < 0.001

Apgar score < 7 (%)

1.89

3.49

1.869

(1.613 - 2.167)

<0.001

Neonatal resuscitation (%)

10.7

19.5

2.008

(1.879 - 2.147)

<0.001

Stillbirth (‰)

5

42.3

-

<0.001