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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