“…The most common clinical setting studied was cardiac surgery (n = 16), 14,18,22,25,29,34,37,38,42-45,48-50,52 followed by orthopedic surgery (n = 8) 17,20,27,28,33,40,53,54 and urology (n = 4). 16,26,31,35 Other disciplines included in our systematic review were obstetrics and gynecology, hematology, critical care, internal medicine, cardiology, and trauma. Non-transfusable patients had more comorbidities, and were more likely to be female.…”