Skip to main content

Table 4 Caesarean section rates (%) per Robson group in high and low risk women according to source of payment. Birth in Brazil study, 2011–2012

From: Use of Robson classification to assess cesarean section rate in Brazil: the role of source of payment for childbirth

Robson group Public Private
Low risk women1 High risk women2 Low risk women1 High risk women2
All CS % 95 % CIa All CS % 95 % CIa All CS % 95 % CIb All CS % 95 % CIb
All groups 14,640 5,168 35.3 (33.0–37.6) 4,484 3,036 67.7 (64.9–70.4) 3,573 3,082 86.3 (81.2–90.1) 1,190 1,104 92.8 (89.5–95.0)
1 3,475 477 13.7 (11.2–16.6) 550 236 42.9 (36.8–49.2) 253 110 43.4 (33.8–53.4) 54 26 48.7 (29.9–67.8)
2 2,114 1,465 69.3 (63.9–74.2) 1,002 885 88.4 (85.2–91.0) 1,425 1,376 96.6 (91.4–98.7) 444 441 99.0 (96.9–99.7)
3 3,886 137 3.5 (2.6–4.7) 636 97 15.3 (11.2–20.4) 214 23 10.7 (6.5–17.2) 41 7 16.1 (7.6–30.9)
4 911 434 47.6 (42.1–53.2) 467 324 69.3 (62.9–75.1) 220 192 87.3 (77.7–93.1) 85 77 90.4 (82.2–95.0)
5 2,410 1,799 74.7 (71.3–77.8) 866 756 87.3 (84.3–89.7) 1,002 978 97.6 (95.7–98.7) 284 283 99.6 (97.5–100.0)
8 125 95 75.7 (66.4–83.1) 67 59 88.6 (79.6–93.9) 67 62 92.3 (63.0–98.8) 25 25 100.0 -
10 1,208 306 25.4 (21.8–29.2) 694 497 71.4 (65.4–76.8) 222 172 77.6 (67.5–85.3) 201 190 94.9 (88.3–97.9)
6, 7 and 9 511 455 89.1 (81.4–93.9) 202 182 90.3 (83.0–94.6) 170 169 99.4 (97.4–99.9) 56 55 98.7 (91.4–99.8)
  1. 1women without any of high risk characteristics
  2. 2hypertensive disorders, eclampsia, preexisting diabetes, gestational diabetes, severe chronic diseases, infection at hospital admission for birth, placental abruption, placenta previa, intrauterine growth restriction and major newborn malformation
  3. aLow risk women vs. high risk women proportions of CS differed significantly from each other at the .05 level by means of z-test with Bonferroni adjustment for all Robson groups, except for groups 6, 7 and 9 combined
  4. bLow risk women vs. high risk women proportions of CS DID NOT differ significantly from each other at the .05 level by means of z-test with Bonferroni adjustment for all Robson group, except for group 10