Table 3 Robson group by source of payment of birth. Birth in Brazil study, 2011–2012
Robson group | Description of obstetric populations | Number of cesarean deliveries | Number of deliveries | Relative size of group1,a | CS rate in each group2,b | Relative contribution on the overall CS rate3,c | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Public | Private | Public | Private | Public | Private | Public | Private | Public | Private | ||||||||
% | 95 % CI | % | 95 % CI | % | 95 % CI | % | 95 % CI | % | 95 % CI | % | 95 % CI | ||||||
1 | Nulliparous women, single cephalic, > = 37 weeks, in spontaneous labor | 712 | 136 | 4,023 | 307 | 21.0 | (19.5–22.2) | 6.4 | (5.1–7.7) | 17.7 | (15.1–20.6) | 44.4 | (35.5–53.5) | 8.7 | (7.5–10.1) | 3.2 | (2.6–4.1) |
2 | Nulliparous women, single cephalic, > = 37 weeks, induced or CS before labour | 2,351 | 1,818 | 3,116 | 1,872 | 16.3 | (15.2–17.1) | 39.3 | (36.2–40.7) | 75.4 | (71.2–79.2) | 97.1 | (93.3–98.8) | 28.6 | (26.9–30.4) | 43.4 | (41.2–45.7) |
2ª | Nulliparous women, single cephalic, > = 37 weeks, induced labor | 566 | 52 | 1,331 | 106 | 7.0 | (6.1–8.0) | 2.2 | (1.3–3.7) | 42.5 | (36.8–48.4) | 49.1 | (29.6–69.1) | 6.9 | (5.7–8.3) | 1.2 | (0.8–1.9) |
2b | Nulliparous women, single cephalic, > = 37 weeks, CS before labor | 1,785 | 1,766 | 1,785 | 1,766 | 9.3 | (8.5–10.3) | 37.1 | (34.5–39.7) | 100.0 | - | 100.0 | - | 21.8 | (20.3–23.3) | 42.2 | (39.9–44.4) |
3 | Multiparous women (excluding prev. CS), single cephalic, > = 37 weeks, in spontaneous labor | 234 | 30 | 4,520 | 255 | 23.6 | (22.3–24.6) | 5.4 | (4.0–6.9) | 5.2 | (4.1–6.5) | 11.8 | (7.2–18.1) | 2.9 | (2.3–3.5) | 0.7 | (0.5–1.0) |
4 | Multiparous without a previous uterine scar, with single cephalic pregnancy, > = 37 weeks, induced or CS before labor | 758 | 270 | 1,379 | 306 | 7.2 | (6.5–7.8) | 6.4 | (5.3–7.4) | 55.0 | (50.0–59.8) | 88.2 | (80.1–93.2) | 9.2 | (8.4–10.1) | 6.4 | (5.4–7.6) |
4ª | Multiparous women without a previous uterine scar, with single cephalic pregnancy, > = 37 weeks, induced labor | 118 | 9 | 739 | 45 | 3.9 | (3.3–4.5) | 0.9 | (0.6–1.6) | 16.0 | (13.0–19.6) | 19.5 | (8.7–38.1) | 1.4 | (1.1–1.8) | 0.2 | (0.1–0.5) |
4b | Multiparous women without a previous uterine scar, with single cephalic pregnancy, > = 37 weeks, CS before labor | 640 | 261 | 640 | 261 | 3.3 | (3.0–3.8) | 5.5 | (4.5–6.6) | 100.0 | - | 100.0 | - | 7.8 | (7.0–8.6) | 6.2 | (5.2–7.4) |
5 | Previous CS, single cephalic, > = 37 weeks | 2,556 | 1,260 | 3,276 | 1,286 | 17.1 | (16.0–18.0) | 27.0 | (24.8–28.1) | 78.0 | (75.4–80.4) | 98.0 | (96.5–98.9) | 31.1 | (29.7–32.7) | 30.1 | (28.5–31.8) |
6 | All nullipara breeches | 271 | 138 | 286 | 139 | 1.5 | (1.3–1.7) | 2.9 | (2.0–4.0) | 94.4 | (91.2–96.9) | 99.3 | (96.5–99.9) | 3.3 | (2.8–3.8) | 3.3 | (2.3–4.6) |
7 | All multipara breeches (including prev. CS) | 276 | 62 | 336 | 63 | 1.8 | (1.5–2.1) | 1.3 | (1.0–1.7) | 82.1 | (71.9–89.1) | 98.4 | (93.0–99.6) | 3.4 | (2.9–3.9) | 1.5 | (1.2–1.9) |
8 | All multiple pregnancies (including prev. CS) | 153 | 87 | 191 | 92 | 1.0 | (0.8–1.2) | 1.9 | (1.5–2.6) | 79.7 | (72.1–85.6) | 94.6 | (72.7–99.1) | 1.9 | (1.5–2.3) | 2.1 | (1.5–3.0) |
9 | All abnormal lies (including prev. CS) | 91 | 23 | 91 | 23 | 0.5 | (0.4–0.6) | 0.5 | (0.3–0.8) | 100.0 | - | 100.0 | - | 1.1 | (0.9–1.4) | 0.5 | (0.3–0.9) |
10 | All single cephalic, <=36 weeks (including prev. CS) | 803 | 363 | 1,904 | 422 | 10.0 | (8.7–11.2) | 8.9 | (7.1–10.6) | 42.2 | (38.7–45.7) | 86.0 | (78.3–91.1) | 9.8 | (8.3–11.5) | 8.7 | (6.9–10.9) |
X | Unable to classify | 2 | 1 | 6 | 1 | 0.03 | (0.01–0.07) | 0.02 | (0.002–0.01) | 40.2 | (7.8–84.2) | 100.0 | - | 0.0 | - | 0.0 | - |
Total deliveries | 8,207 | 4,188 | 19,128 | 4,766 | 100.0 | - | 100.0 | - | 41.5 | - | 87.9 | - | 100.0 | 100.0 | |||