Scope of the problem: epidemiology of anemia and use of blood transfusions in critical care

Table 3 Results of the Transfusion Requirements in Critical Care (TRICC) trial in patients with cardiovascular disease

	Restrictive	Liberal	P
n	160	197	-
Mortality, 30-day	23%	23%	1.0
Mortality, ICU	19%	16%	0.49
Mortality, hospital	27%	28%	0.81
MODS, change from baseline scores	0.23 ± 4.2	1.28 ± 4.4	0.023
Mean hemoglobin (g/dl)	8.5 ± 0.62	10.3 ± 0.67	<0.01
Mean blood transfusion (units)	2.4 ± 4.1	5.2 ± 5.0	<0.01

Data are expressed as mean ± standard deviation. ICU, intensive care unit; MODS, multiple organ dysfunction score. Adapted from Hebert and coworkers [13].

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