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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