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Table 3 Transfusion and haematological results for postpartum haemorrhage

From: Reduction in massive postpartum haemorrhage and red blood cell transfusion during a national quality improvement project, Obstetric Bleeding Strategy for Wales, OBS Cymru: an observational study

  Jan-Jun 2017 Jul-Dec 2017 Jan-Jun 2018 Jul-Dec 2018
Transfusion of red blood cells and blood components
 Number of women transfused red blood cells: n (/1000 maternities) 350 (23.0) 270 (16.9) 278 (18.8) 268 (17.7)
 Total number of units of red blood cells transfused: n (/1000 maternities) 823 (54.1) 656 (41.0) 636 (43.1) 609 (40.2)
 Number of women transfused ≥5 units red blood cells: n (/1000 maternities) 16 (1.1) 14 (0.9) 14 (1.0) 11 (0.7)
 Number of women transfused FFP: n (/1000 maternities) 26 (1.7) 20 (1.3) 21 (1.4) 15 (1.0)
 Total number of units of FFP transfused: n (/1000 maternities) 87 (5.7) 78 (4.9) 74 (5.0) 37 (2.4)
 Number of women transfused fibrinogen: n (/1000 maternities) 22 (1.5) 19 (1.2) 17 (1.2) 30 (2.0)
 Total number of grams of fibrinogen transfused: n (/1000 maternities) 94 (6.2) 103 (6.4) 89 (6.0) 137 (9.0)
 Number of women transfused cryoprecipitate: n (/1000 maternities) 6 (0.4) 3 (0.2) 2 (0.1) 5 (0.3)
 Total number of units of cryoprecipitate transfused: n (/1000 maternities) 14 (0.9) 8 (0.5) 4 (0.3) 9 (0.6)
 Number of women transfused platelets: n (/1000 maternities) 12 (0.79) 8 (0.50) 6 (0.41) 7 (0.46)
 Total number of units of platelets transfused: n (/1000 maternities) 20 (1.3) 13 (0.8) 10 (0.7) 9 (0.6)
Haematological results
 Lowest Clauss fibrinogen results: Med (IQR), range 4.2 (3.4–5), 0.3–9.2 4.1 (3.4–4.8), 0.5–8.1 4.2 (3.5–4.7), 0.3–8 4.2 (3.5–4.8), 0.3–9.8
 Number with lowest fibrinogen ≤2 g/L n/reported results (% of reported results) 24/383 (6.3) 18/399 (4.5) 17/435 (3.9) 22/459 (4.8)
 Longest PT results: Med (IQR), range 10.7 (10.3–11.3), 9.2–22.4 10.6 (10.3–11.1), 9.1–80 10.4 (10.1–10.9), 8.3–18.4 10.4 (10–10.9), 9–19.5
 Number with longest PT > 16 s n/reported results (% of reported results) 5/384 (1.3) 5/388 (1.3) 5/434 (1.2) 4/458 (0.9)
 Longest aPTT results: Med (IQR), range 25.9 (24.1–27.6), 20–84 25.6 (23.9–27.5), 19.5–143 25.1 (23.7–27.2), 19.3–105 24.9 (23.5–26.8), 18.7–42.5
 Number with longest aPPT > 50 s n/reported results (% of reported results) 4/384 (1.0) 3/388 (0.8) 2/435 (0.5) 0/458 (0.0)
 Lowest Fibtem A5 results: Med (IQR), range 21 (18–25), 4–49 21 (17–24), 2–63 22 (19–25), 2–55 18 (16–21), 0–60
 Number with lowest Fibtem A5 < 12 mm n/reported results (% of reported results) 14/205 (6.8) 26/344 (7.6) 23/378 (6.1) 30/369 (8.1)
 Longest Extem CT results: Med (IQR), range 57 (52–62), 17–120 57 (52–63), 38–147 56 (52–61), 30–300 55 (51–61), 11–481
 Number with longest Extem CT > 75 s n/reported results (% of reported results) 8/205 (3.9) 15/344 (4.4) 19/378 (5.0) 9/369 (2.4)
 Lowest haemoglobin results: Med (IQR), range 91(71–100), 46–135 89 (80–100), 54–139 88 (78–98), 47–137 88 (79–100), 52–137
 Number with lowest haemoglobin < 80 g/L n/reported results (% of reported results) 55/203 (27.1) 99/327 (30.3) 82/353 (23.2) 55/306 (18.0)