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Table 4 Results of the Transfusion Requirements in Critical Care (TRICC) trial in patients requiring mechanical ventilation

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

 

Restrictive

Liberal

P

n

357

356

-

Mortality, 30-day

21.3%

26.4%

0.11

Mortality, ICU

16%

19%

0.38

Mortality, hospital

25%

31%

0.07

Mean ventilator days

8.3 ± 8.1

8.8 ± 8.7

0.48

Mean ventilator-free days

17.5 ± 10.9

16.1 ± 11.4

0.09

Successful wean rates

82%

78%

0.19

Mean hemoglobin (g/dl)

8.4 ± 0.62

10.4 ± 0.71

<0.01

Mean blood transfusion (units)

2.7 ± 4.0

5.5 ± 5.1

<0.01

  1. Data are expressed as mean ± standard deviation. ICU, intensive care unit. Adapted from Hebert and coworkers [19].
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Critical Care

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