Skip to main content

Table 1 Patient characteristics (n = 757) and transfusion details

From: Age of red blood cells and mortality in the critically ill

 

All patients

Quartile 1

Quartiles 2 to 4

P valuea

Age (years)

66 (54 to 76)

65 (50 to 74)

66 (54 to 76)

0.16

Male

468 (62%)

112(59%)

356 (62%)

0.40

Cardiac surgery patients

194 (26%)

51 (26%)

143 (25%)

0.62

Trauma patients

50 (7%)

6 (3%)

44 (7%)

0.03

Sepsis patients

56 (7%)

15 (7%)

41 (7%)

0.74

Received pre-ICU

    

   RBCs

333 (44%)

90 (47%)

243 (42%)

0.25

   Platelets

130 (17%)

33 (17%)

97 (17%)

0.90

   FFP

168 (22%)

48 (25%)

120 (21%)

0.22

RBCs transfused

2 (1 to 4)

2 (2 to 3)

2 (2 to 5)

<0.0001

Average age of RBCs

14 (9.5 to 21.5)

7.5 (5.7 to 9.0)

17.6 (12.9 to 24.0)

<0.0001

Maximum age of RBCs

18 (11 to 28)

8 (6 to 9)

22 (15 to 30)

<0.0001

RBCs leukodepleted

599 (79%)

149 (78%)

450 (79%)

0.91

Pretransfusion

    

Hemoglobin (g/dl)

7.7 (7.2 to 8.2)

7.6 (7.1 to 8.2)

7.7 (7.2 to 8.2)

0.50

Received platelets

180 (24%)

48 (25%)

132 (23%)

0.55

Received FFP

256 (34%)

57 (30%)

199 (35%)

0.22

ICU length of stay (days)

3.9 (1.9 to 8.6)

3.5 (1.7 to 7.1)

4.2 (1.9 to 9.2)

0.02

Hospital mortality

146 (19.3%)

25 (13%)

121 (21%)

0.015

  1. All values expressed as number (proportion) or median (interquartile range). RBC, red blood cell; FFP, fresh frozen plasma. aQuartile 1 versus Quartiles 2 to 4.