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Table 2 Summary of preoperative biochemistry and haematology; data are presented as mean and standard deviation

From: Perioperative blood management programme reduces the use of allogenic blood transfusion in patients undergoing total hip and knee arthroplasty

Preoperative

Usual Care group

Intervention group

p

N = 100

N = 100

Haemoglobin (g/L)

133.4 (13.9)

138.7 (13.9)

0.008

Mean corpuscular volume (fL)

89.9 (7.3)

88 (4.7)

0.032

Creatinine (μmol/L)

74.3 (20.4)

75 (19.5)

0.809

Estimated glomerular filtration rate (mL/min/1.73 m2)

79.8 (57.7)

76.8 (14.2)

0.621

Albumin (g/L)

41.1 (4.3)

40 (3.1)

0.036

Prothrombin time (s)

11.2 (1.8)

11 (1)

0.501

Activated partial thromboplastin time (s)

27.2 (4.7)

26.8 (4.1)

0.459