Table 4 Robson's 10-group classification of Flemish women giving birth in 2004

Columns/groups

Number of CS/Total births

Relative value group in total births (%)

Caesarean sections (%)

Contribution per group (%)

1.

Nulliparous, single cephalic, ≥ 37 weeks, in spontaneous labor

1214/16806

26.8

7.2

1.9

2.

Nulliparous, single cephalic, ≥ 37 weeks, induced or CS before labor

2298/8509

13.6

27.0

3.7

3.

Multiparous (excluding prev. CS), single cephalic, ≥ 37 weeks, in spontaneous labor

238/16041

25.6

1.5

0.4

4.

Multiparous (excluding prev. CS), single cephalic, ≥ 37 weeks, induced or CS before labor

718/8521

13.6

8.4

1.1

5.

Previous CS, single cephalic, ≥ 37 weeks

2739/4310

6.9

63.5

4.4

6.

All nulliparous breeches

1560/1650

2.6

94.5

2.5

7.

All multiparous breeches

823/1115

1.8

82.8

1.5

8.

All multiple pregnancies (including prev. CS)

1075/2029

3.2

53.0

1.7

9.

All abnormal lies (including prev. CS)

168/178

0.3

94.4

0.3

10.

All single cephalic, ≤ 36 weeks (including prev. CS)

889/3501

5.6

25.4

1.4

TOTALS

11818/62654 (18.9%)