Purpose: To identify patients undergoing total joint arthroplasty with a very low risk of needing a perioperative blood transfusion.			Citations with documentation. 05.01.05	Sriram & Svirbely 2000
conversion	enter
hemoglobin in g/dL		g/dL equals	0	g/L
data	enter
Are you evaluating a patient who is to undergo a total joint arthroplasty? (Y or N)		:-):-):-)
age of the patient in years		years		1
number of joints being operated on		joint(s)		0
Is this a primary (non-revision) arthroplasty? (Y or N)		:-):-):-)		0
preoperative hemoglobin in g/L		g/L		0
calculate	result
data complete?	Yes
evaluation appropriate?	Yes	:-):-):-)
number of risk factors associated with a need for perioperative blood transfusion	1
Does the patient meet the criteria for a group with very low likelihood of perioperative blood transfusion?	Yes
Should the patient be urged to donate autologous blood prior to surgery?	No