Table 4.
Total blood loss and total units of transfused packed red blood cells in women with persistent postpartum haemorrhage, compared with women with different cut-off values for estimations of blood loss and transfused packed red blood cells (RBC) within 24 h following birth
| Definition based on | Total blood loss (L) | Time from birth till end of bleeding (hours) | Total units of transfused RBCs | Time from birth till transfusion of first RBC-unit (hours) |
|---|---|---|---|---|
| Median (interquartile range) | ||||
| Persistent postpartum haemorrhage (N = 1260) | 3.0 (2.5–4.0) | 3.4 (2.1–5.9) | 4 (3–6) | 2.5 (1.6–4.2) |
| Estimated blood loss | ||||
| ≥ 1000 mL (N = 1391) | 3.0 (2.5–4.0) | 3.3 (2.0–5.8) | 4 (3–6) | 2.5 (1.5–4.2) |
| ≥ 1500 mL (N = 1344) | 3.0 (2.5–4.0) | 3.3 (2.0–5.8) | 4 (3–6) | 2.5 (1.5–4.2) |
| ≥ 2000 mL (N = 1252) | 3.0 (2.5–4.0) | 3.4 (2.1–5.9) | 4 (3–6) | 2.4 (1.5–4.1) |
| ≥ 2500 mL (N = 1050) | 3.5 (3.0–4.2) | 3.6 (2.1–6.1) | 4 (3–6) | 2.3 (1.5–3.8) |
| Transfusion of packed red blood cells | ||||
| ≥ 4 units (N = 845) | 3.5 (2.7–4.5) | 3.8 (2.2–6.4) | 5 (4–7) | 2.3 (1.4–3.7) |
| ≥ 6 units (N = 325) | 4.8 (3.6–6.5) | 6.5 (3.1–8.6) | 8 (6–12) | 2.0 (1.0–3.3) |
| ≥ 8 units (N = 176) | 6.0 (4.5–8.0) | 6.1 (4.1–12.0) | 11 (9–15) | 1.9 (0.8–3.3) |
| ≥ 10 units (N = 115) | 7.0 (5.1–9.8) | 6.9 (4.4–12.8) | 13 (11–18) | 1.8 (0.7–3.0) |