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Table 3 Adverse maternal outcome 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 within 24 h following birth

From: Clinical characteristics of women captured by extending the definition of severe postpartum haemorrhage with ‘refractoriness to treatment’: a cohort study

Definition based on Maternal death Hysterectomy Arterial embolisation Admission on intensive care unit Composite adverse maternal outcome
Number of patients (%)
 Persistent postpartum haemorrhage (N = 1260) 7 (0.6) 64 (5.1) 165 (13.1) 362 (28.7) 430 (34.1)
 Estimated blood loss
  ≥ 1000 mL (N = 1391) 7 (0.5) 73 (5.2) 173 (12.4) 399 (28.7) 471 (33.9)
  ≥ 1500 mL (N = 1344) 7 (0.5) 73 (5.4) 171 (12.7) 388 (28.9) 459 (34.2)
  ≥ 2000 mL (N = 1252) 6 (0.5) 73 (5.8) 171 (13.7) 372 (29.7) 443 (35.4)
  ≥ 2500 mL (N = 1050) 6 (0.6) 71 (6.8) 168 (16.0) 348 (33.1) 417 (39.7)
 Transfusion of packed red blood cells
  ≥ 4 units (N = 845) 7 (0.8) 68 (8.0) 159 (18.8) 321 (38.0) 383 (45.3)
  ≥ 6 units (N = 325) 5 (1.5) 62 (19.1) 125 (38.5) 215 (66.2) 258 (79.4)
  ≥ 8 units (N = 176) 4 (2.3) 54 (30.7) 84 (47.7) 146 (83.0) 165 (93.8)
  ≥ 10 units (N = 115) 3 (2.6) 44 (38.3) 64 (55.7) 101 (87.8) 113 (98.3)