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Table 1 Prevalence of preoperative anaemia

From: ‘Blood doping’ from Armstrong to prehabilitation: manipulation of blood to improve performance in athletes and physiological reserve in patients

Study Cohort Study population Prevalence of anaemia (%)
Baron—BMJ 2014 [11] Non-cardiac, non-neurological surgery 46,539 28.7
Sagger—Anesth Analg 2013 [12] Non-cardiac surgery 574,860 25.3
Gupta Ann Surgery 2013 [13] Patients over 65 elective vascular surgery 31,857 47
Musallam Lancet 2011 [14] Non-cardiac surgery 227,425 30.44
Van Straten—Circulation 2009 [15] Cardiac surgery 10,025 16
Beattie—Anaesthesiology 2009 [16] Non-cardiac surgery 7759 39.5
Karkouti—Circulation 2008 [17] Cardiac surgery 3500 26
Kulier—Circulation 2007 [18] Cardiac surgery 4804 28.1 male
35.9 female
Wu JAMA 2007 [19] Non-cardiac surgery 310,311 42.8
  1. Broadly based on WHO definition of anaemia, <130 g/L for men and <120 g/L for non-pregnant women