Table 1 Prevalence of preoperative anaemia
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 |