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Table 3 Demographic, transfusion related and outcome variables according to length of RBC storage

From: Association between length of storage of red blood cell units and outcome of critically ill children: a prospective observational study

  RBC unit length of storage
<14 days
(n = 139)
  P value
≥ 14 days
(n = 157)
Age (months), mean ± SD 37.5 ± 56.8 77.4 ± 73.8 <0.001
Male, n (%) 87 (62.6%) 84 (53.5%) 0.12
Weight (kg), mean ± SD 15.3 ± 18.5 26.0 ± 25.4 <0.001
PRISM III at admission, mean ± SD 4.9 ± 5.7 6.0 ± 5.7 0.09
MODS at admission, mean ± SD 1.3 ± 1.2 1.6 ± 1.3 0.04
PELOD at admission, mean ± SD 10.0 ± 8.3 13.8 ± 10.8 0.001
Sepsis at admission, n (%) 13 (9.4%) 16 (10.2%) 0.85
Mechanical ventilation at admission, n (%) 77 (55.4%) 83 (52.9%) 1.00
Total number of RBC transfusions, mean ± SD 2.6 ± 3.6 5.5 ± 5.7 <0.001
Total dose of RBC transfusions (ml/kg), mean ± SD 44 ± 79 72 ± 114 0.02
New or progressive MODS, n (%) 43 (30.9%) 71 (49.3%) 0.01
Death at 28 days, n (%) 6 (4.3%) 9 (6.3%) 0.61
PICU length of stay (days), mean ± SD 9.9 ± 8.3 14.0 ± 10.4 <0.001
  1. Results are expressed as mean ± standard deviation or numbers and proportions.
  2. MODS, multiple organ dysfunction score; PELOD, pediatric logistic organ dysfunction; PICU, pediatric intensive care unit; PRISM, pediatric risk of mortality; RBC, red blood cell; SD, standard deviation.