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Table 2 Mean (SD) of Hb levels and percentages of patients by subgroup who had anaemia, percentage reduction in Hb and significance or reduction over time and postoperative blood transfusion percentage

From: Blood management in hip fractures; are we leaving it too late? A retrospective observational study

Groups Patients n (%) Hb g/dL mean ± SD Anaemia by subgroup n(%) Reduction in Hb by subgroup (n)% Postoperative transfusion of PRBC n (% sample)
DO (n = 261) D1 (n = 175) D2 (n = 51) D0 D1 D2 D0-D1 D1-D2
All 261 (100) 12.3 (1.57) 11.4a (1.68) 11.1b (1.81) 116 (44.8) 88 (50.9) 33 (69.4) 143 (82.3) 34 (71.4) 75 (28.7)
Male 75 (28.7) 12.5 (1.77) 11.8a (2.02) 11.7b (1.94) 39 (52.0) 33 (69.3) 12 (75.0) (36) 73.5 12 (78.6) 18 (6.9)
Female 186 (71.3) 12.2 (1.49) 11.3a (1.52) 10.7 (1.68) 77 (41.9) 85 (68.3) 21 (66.7) 107 (85.7) (21) 67.9 58 (22.2)
Intracapsular Fracture 121 (46.4) 12.7 (1.49) 12.1a (1.55) 11.8b (1.89) 41 (34.7) 41 (49.4) 12 (48.0) 63 (75.3) (20) 80.0 15 (5.7)
Extracapsular Fracture 140 (53.6) 12.0 (1.56) 10.8a (1.53) 10.2 (1.31) 74 (53.2) 77 (85.6) 21 (92.0) 80 (88.9) 14 (63.6) 61 (23.4)
60–79 years 78 (29.9) 12.7 (1.59) 12.0a (1.77) 12.2 (1.46) 25 (32.9) 26 (52.9) 5 (45.5) 41 (80.4) 7 (66.7) 17 (6.5)
≥ 80 years 183 (70.1) 12.1 (1.54) 11.2a (1.59) 10.7b (1.78) 90 (49.7) 91 (74.2) 28 (76.3) 102 (83.1) 26 (72.7) 59 (22.6)
  1. Legend: Hb haemoglobin; anaemia = Hb < 13 g/dL in males and 12 g/dL in females, PRBC packed red blood cells, D0 day of admission, D1 day after admission (pre-operative), D2 second day after admission (pre-operative); D0 – D1 a = p < 0.05; D1 – D2 b p < 0.05