|  | Hospital A: lowest c - section rate (2000 - 2008) | Hospital B: highest c - section rate (2000 - 2008) | Δ Caesarean sections (%) (hospital highest rate - hospital lowest rate) | Δ contribution per group (hospital highest rate - hospital lowest rate) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | 11. | 12. |
Columns/groups | Â | Number of CS/Total births | Relative value group in total births (%) | Caesarean sections (%) | Contribution per group (%) | Number of CS/Total births | Relative value group in total births (%) | Caesarean sections (%) | Contribution per group (%) | Â | Â |
1. | Nulliparae, singleton, head presentation, ≥ 37 weeks, spontaneous labor | 77/2033 | 37.2 | 3.8 | 1.4 | 234/1575 | 23.1 | 14.9 | 3.4 | 11.1 | 2.0 |
2. | Nulliparae, singleton, head presentation, ≥ 37 weeks, induction or primary section | 70/546 | 10.0 | 12.8 | 1.3 | 417/1228 | 18.0 | 39.7 | 7.1 | 26.9 | 5.8 |
3. | Multiparae, singleton, head presentation, ≥ 37 weeks, spontaneous labor, except previous CS | 16/1614 | 29.6 | 1.0 | 0.3 | 22/1363 | 20.0 | 1.6 | 0.3 | 0.6 | / |
4. | Multiparae, singleton, head presentation, ≥ 37 weeks, induction or primary CS | 48/564 | 10.3 | 8.5 | 0.9 | 89/1202 | 17.6 | 7.4 | 1.3 | -1.1 | 0.4 |
5. | Previous CS, singleton, head presentation, ≥ 37 weeks | 55/85 | 1.6 | 64.7 | 1.0 | 466/634 | 9.3 | 73.5 | 6.8 | 8.8 | 5.8 |
6. | All breech presentations, nulliparae | 93/125 | 2.3 | 74.4 | 1.7 | 169/174 | 2.5 | 97.1 | 2.5 | 22.7 | 0.8 |
7. | All breech presentations, multiparae | 43/91 | 1.7 | 47.3 | 0.8 | 108/129 | 1.9 | 83.7 | 1.6 | 36.4 | 0.8 |
8. | All twins or HOM, previous CS inclusively | 53/158 | 2.9 | 33.5 | 1.0 | 116/191 | 2.8 | 60.7 | 1.7 | 27.2 | 0.7 |
9. | All transverse presentations, previous CS inclusively | 7/8 | 0.1 | 87.5 | 0.1 | 17/18 | 0.3 | 94.4 | 0.2 | 6.9 | 0.1 |
10. | All singletons, head presentations, ≤ 36 weeks, previous CS inclusively | 35/235 | 4.3 | 14.9 | 0.6 | 84/310 | 4.5 | 27.1 | 1.2 | 12.2 | 0.6 |
 | TOTALS | 497/5459 |  |  | 9.1 | 1792/6824 |  |  | 26.3 |  | 17.2 |