Table 1 Robson 10 group classification and the results for NMH 2016
Group | Description | Total numbers of caesarean sections (2303/8851) | Contribution of the group in overall hospital population | Caesarean section rate within each group | Contribution of each group to overall CS (26%) |
|---|---|---|---|---|---|
1 | Nulliparous, single cephalic, > = 37 weeks, in spontaneous labour | 151/1925 | 21.74% | 7.84% | 1.70% |
2 | Nulliparous, single cephalic, > = 37 weeks, induced and CS before labour | 570/1472 | 16.63% | 38.72% | 6.43% |
2A | Nulliparous, single cephalic, > = 37 weeks, induced | 437/1339 | 15.12% | 32.63% | 4.93% |
2B | Nulliparous, single cephalic, > = 37 weeks, CS before labour | 133 | 1.50% | 100% | 1.50% |
3 | Multiparous (excluding prev. CS), single cephalic, > = 37 weeks, in spontaneous labour | 24/2389 | 26.99% | 1% | 0.27% |
4 | Multiparous (excluding prev. CS), single cephalic, > = 37 weeks, induced and CS before labour | 144/1105 | 12.48% | 13.03% | 1.62% |
4A | Multiparous (excluding prev. CS), single cephalic, > = 37 weeks, induced | 44/1005 | 11.35% | 4.37% | 0.49% |
4B | Multiparous (excluding prev. CS), single cephalic, > = 37 weeks, CS before labour | 100 | 1.12% | 100% | 1.12% |
5 | Previous CS, single cephalic, > = 37 weeks | 821/1069 | 12.07% | 76.80% | 9.27% |
6 | All nulliparous breeches | 162/171 | 1.93% | 94.73% | 1.83% |
7 | All multiparous breeches (including prev. CS) | 115/124 | 1.40% | 92.74% | 1.29% |
8 | All multiple pregnancies (including prev. CS) | 119/187 | 2.11% | 63.63% | 1.34% |
9 | All abnormal lies (including prev. CS) | 30 | 0.33% | 100% | 0.33% |
10 | All single cephalic,<=36 weeks (including prev. CS) | 167/379 | 4.28% | 44.06% | 1.88% |