Table 3.
Total blood loss for all maternities and incidence of bleeds > 500 mL
| Total measured blood loss (mL) Median (25th to 75th percent) |
Postpartum haemorrhage ≥ 500 mL Incidence (95% CI)/100 maternities |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Unit | Maternities included in analysis | All maternities | Unassisted vaginal delivery | Instrumental vaginal delivery | Elective caesarean section Category 4 | Non Elective caesarean section Category 1–3 | All maternities | Unassisted vaginal delivery | Instrumental vaginal delivery | Elective caesarean section Category 4 | Non Elective caesarean section Category 1–3 |
| 1 | 6622 |
300 (200–500) |
300 (200–400) |
500 (300–800) |
450 (300–700) |
500 (350–750) |
30.9 [29.8–32.0] |
18.1 [16.9–19.3] |
53.8 [50.6–57.0] |
48.8 [45.4–52.3] |
55.4 [51.8–59.0] |
| 2 | 241 |
421 (265–651) |
301 (199–450) |
532 (344–961) |
800 (533–1165) |
602 (438–890) |
40.7 [34.7–47.0] |
17.4 [12.0–24.6] |
53.8 [35.5–71.2] |
88.6 [74.0–95.5] |
69.0 [54.0–80.9] |
| 3 | 925 |
400 (250–732) |
283 (157–448) |
600 (400–1000) |
559 (361–820) |
700 (437–940) |
40.4 [37.3–43.6] |
18.6 [15.4–22.3] |
66.7 [56.1–75.8] |
55.0 [47.5–62.2] |
70.7 [63.9–76.7] |
| 4 | 892 |
400 (245–700) |
300 (199–450) |
500 (333–860) |
543 (413–850) |
677 (454–911) |
39.1 [36.0–42.4] |
19.1 [16.0–22.7] |
55.7 [45.3–65.6] |
68.3 [59.6–76.0] |
71.7 [64.4–78.0] |
| All | 8680 |
350 (219–600) |
300 (200–400) |
500 (300–850) |
500 (300–750) |
550 (369–850) |
33.0 [32.0–34.0] |
18.2 [17.2–19.3] |
54.9 [52.0–57.8] |
53.0 [50.1–55.9] |
60.9 [58.0–63.7] |