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Table 2 Results of the Transfusion Requirements in Critical Care (TRICC) trial comparing a restrictive versus liberal transfusion strategy in critically ill patients

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

  Restrictive (hemoglobin maintained between 7 and 9 g/dl) Liberal (hemoglobin maintained between 10 and 12 g/dl) P
n 418 420 -
Mortality, 30-day 18.7% 23.3% 0.11
Mortality, ICU 13.4% 16.2% 0.29
Mortality, hospital 22.2% 28.1% 0.05
Mean hemoglobin (g/dl) 8.5 ± 0.7 10.7 ± 0.7 <0.01
Mean blood transfusion (units) 2.6 ± 4.1 5.6 ± 5.3 <0.01
  1. Data are expressed as mean ± standard deviation. ICU, intensive care unit. Adapted from Hebert and coworkers [12].