Trends in transfusion of trauma victims - evaluation of changes in clinical practice

Table 2 Consumption of blood products day 1-10 after the trauma incident for patients admitted in the first six months of 2002, 2004 and 2007.

	First six months of 2002	First six months of 2004	First six months of 2007	Relevant p-values
Number of patients transfused with erythrocytes day 1-10
N (% of whole trauma population)	88 (28%)	96 (28%)	107 (23%)
Consumption of erythrocytes
Total (median, mean units per. patient)	842 (5, 9.4)	834 (7.5, 8.7)	729 (5, 6.8)	2002 vs 2007: p = 0.056
Number of patients given plasma
Total (percentage of transfused patients)	26 (30%)	37 (39%)	44 (41%)	2002 vs 2004: p = 0.38
				2004 vs 2007: p = 0.26
Consumption of plasma
Total (median, mean units per. patient)	162 (4.5, 6.2)	270 (4, 7.3)	296 (4, 6.7)
Number of patients given trombocytes
Total (percentage of transfused patients)	15 (17%)	19 (22%)	22 (21%)	2002 vs 2004: p = 0.71
Consumption of trombocytes
Total (median, mean units per. patient)	51.5 (3, 3.4)	77 (2, 3.6)	77.5 (2, 3.5)
Total units of erythrocytes consumed by massively transfused patients day 1-2
Total (% of total consumption)	283 (33.6%)	356 (42.7%)	171 (23,5%)
No of erythrocyte unites per massively transfused patient
	21.8	18.7	19.0

The table lists total consumption and relevant data for the subgroup of patients receiving the different types of blood products. For comparing consumption of erythrocytes, plasma and trombocytes Mann-Whitney test was employed. Both median and mean values are reported.

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