Table 2

Birth characteristics and outcomes among primiparas at low risk for 1996/1997 and 2000/2008

1996/1997 Private hospitals (n=6548) (%)2000–2008 Private hospitals (n=30152) (%)1996/1997 Public hospitals (n=20354) (%)2000–2008 Public hospitals (n=94279) (%)
Maternal age (years)
 20–2410.6740.633.1
 25–2948.943.14041.3
 30–3440.649.919.325.6
Type of labour
 Spontaneous4732.163.848.4
 Augmented23.128.119.725.8
 Induced25.730.915.722.8
 No labour4.18.91.43
Delivery
 Vaginal49.743.972.663.8
 Forceps22.511.210.56.3
 Vacuum11.417.76.812.1
 Caesarean section before labour4.18.91.53
 Caesarean section after labour12.318.28.514.8
Epidural50.853.325.132.2
Episiotomy46.627.728.611.8
Severe perineal trauma1.41.52.31.6
Apgar score <7 at 5 min1.31.21.81.6