Table 2.
Profiles of cesarean delivery according to maternal origin using the Robson classification
| Robson categorya | Number of CDs / number ofwomen in each category | Size of each category (%) (number of women in each category divided by the total number of women) |
CD rate in each category (%) (number of cesarean deliveries in the category divided by the number of women in the category) |
Contribution of each category (%) (number of cesarean deliveries in each category divided by the total number of women) |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| SSA group | Fr group | SSA group | Fr group | Difference (SSA-Fr) | SSA group | Fr group | Difference (SSA-Fr) | SSA group | Fr group | Difference (SSA-Fr) | |
| 1 | 26/193 | 64/737 | 12.9 | 33.5 | −20.6 | 13.5 | 8.7 | 4.8 | 1.7 | 2.9 | −1.2 |
| 2A | 48/131 | 79/283 | 8.8 | 12.9 | −4.1 | 36.6 | 27.9 | 8.7 | 3.2 | 3.6 | −0.4 |
| 2B | 7/7 | 16/16 | 0.5 | 0.7 | −0.3 | 100.0 | 100.0 | 0.0 | 0.5 | 0.7 | −0.3 |
| 1 + 2A + 2B | 81/331 | 159/1036 | 22.2 | 47.1 | −24.9 | 24.5 | 15.3 | 9.1 | 5.4 | 7.2 | −1.8 |
| 3 | 27/486 | 7/526 | 32.6 | 23.9 | 8.7 | 5.6 | 1.3 | 4.2 | 1.8 | 0.3 | 1.5 |
| 4A | 26/163 | 12/156 | 10.9 | 7.1 | 3.8 | 16 | 7.7 | 8.3 | 1.7 | 0.5 | 1.2 |
| 4B | 17/17 | 9/9 | 1.1 | 0.4 | 0.7 | 100.0 | 100.0 | 0.0 | 1.1 | 0.4 | 0.7 |
| 3 + 4A + 4B | 70/666 | 28/691 | 44.7 | 31.4 | 13.2 | 10.5 | 4.1 | 6.5 | 4.7 | 1.3 | 3.4 |
| 5A | 99/193 | 41/125 | 13.0 | 5.7 | 7.3 | 51.3 | 32.8 | 18.5 | 6.6 | 1.9 | 4.8 |
| 5B | 80/88 | 21/25 | 5.9 | 1.1 | 4.8 | 90.9 | 84.0 | 6.9 | 5.4 | 1.0 | 4.4 |
| 5A + 5B | 181/284 | 63/152 | 19.0 | 6.9 | 12.1 | 63.7 | 41.4 | 22.3 | 12.1 | 2.9 | 9.3 |
| 6 | 7/8 | 41/61 | 0.5 | 2.8 | −2.2 | 87.5 | 67.2 | 20.3 | 0.5 | 1.9 | −1.4 |
| 7 | 29/33 | 17/34 | 2.2 | 1.5 | 0.7 | 87.9 | 50.0 | 37.9 | 1.9 | 0.8 | 1.2 |
| 8 | 36/60 | 26/78 | 4.0 | 3.5 | 0.5 | 60.0 | 33.3 | 26.7 | 2.4 | 1.2 | 1.2 |
| 9 | 10/11 | 2/2 | 0.7 | 0.1 | 0.6 | 90.9 | 100.0 | −9.1 | 0.7 | 0.1 | 0.6 |
| 10 | 40/98 | 34/144 | 6.6 | 6.6 | 0.0 | 40.8 | 23.6 | 17.2 | 2.7 | 1.5 | 1.1 |
| Total | 458/1491b | 370/2198b | 30.7 | 16.8 | 13.9 | ||||||
Abbreviations: SSA group women born in and originally from Sub-Saharan Africa, Fr group women born in and originally from mainland France, CD cesarean delivery
aDescription of each category of Robson classification: 1 = Nulliparous, single cephalic, ≥37 weeks, spontaneous labor, 2 = Nulliparous, single cephalic, ≥37 weeks; 2A = induced - 2B = cesarean before labor, 3 = Multiparous (excluding previous uterine scar), single cephalic, ≥37 weeks, spontaneous labor, 4 = Multiparous (excluding previous uterine scar), single cephalic, ≥37 weeks; 4A = induced - 4B = cesarean before labor, 5A = One previous uterine scar, single cephalic, ≥37 weeks - 5B = More than one previous uterine scar, single cephalic, ≥37 weeks, 6 = All nulliparous breeches, 7 = All multiparous breeches (including previous uterine scar), 8 = All multiple pregnancies (including previous uterine scar), 9 = All abnormal lies (including previous uterine scar), 10 = All single cephalic, ≤ 36 weeks (including previous uterine scar)
bMissing data prevented the determination of the Robson category for 9 women of SSA group and 8 women of Fr Group