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Table 2 Comparisons of ABO blood groups for study groups and outcomes measured

From: Duration of red blood cell storage is associated with increased incidence of deep vein thrombosis and in hospital mortality in patients with traumatic injuries

Blood group Decreased RBC age group (n = 101) Increased RBC age group*
(n = 101)
- DVT (%) (n = 137) + DVT (%)
(n = 46)
Survived (%)
(n = 161)
Died (%)
(n = 41)
A (n = 72) 38.6%
(39/101)
32.7%
(33/101)
37.2%
(51/137)
30.4%
(14/46)
34.8%
(56/161)
39.0%
(16/41)
B (n = 38) 9.9%
(10/101)
27.7% *
(28/101)
17.5%
(24/137)
19.6%
(9/46)
18.6%
(30/161)
19.5%
(8/41)
AB (n = 12) 0.0%
(0/12)
11.9%
(12/101)
5.1%
(7/137)
10.9%
(5/46)
6.2%
(10/161)
4.9%
(2/41)
O (n = 80) 51.5%
(52/101)
27.7% *
(28/101)
40.1%
(55/137)
39.1%
(18/46)
40.4%
(65/161)
36.6%
(15/41)
  1. * indicates P value of 0.001 for comparison of ABO blood groups between decreased and increased red blood cell (RBC) age group (chi-squared test). DVT: deep vein thrombosis.