Table 3 Comparison of delivery mode and indication for cesarean delivery

Spontaneous delivery

26239 (43.7%)

22878 (46.0%)

1.15

<0.001

Operative vaginal delivery^a

760 (1.3%)

534 (1.1%)

1.42

<0.01

Cesarean delivery

33029 (55.0%)

26282 (52.9%)

1.26

<0.001

Maternal request

10243 (17.1%)

8263 (16.6%)

1.24

0.05

Cephalopelvic disproportion/Failure to progress

6032 (10.0%)

4591 (9.2%)

1.31

<0.001

Fetal distress

4130 (6.9%)

3400 (6.8%)

1.21

0.80

Previous uterine surgery

3545 (5.9%)

2689 (5.4%)

1.32

<0.001

Malpresentation

1710 (2.8%)

1742 (3.5%)

0.98

<0.001

Suspected macrosomia

2227 (3.7%)

1188 (2.4%)

1.87

<0.001

Oligohydrammios

1203 (2.0%)

981 (2.0%)

1.23

0.72

Preeclampsia/eclampsia

1105 (1.8%)

1011 (2.0%)

1.09

<0.05

Later pregnancy bleeding

823 (1.4%)

727 (1.5%)

1.13

0.20