Blood Transfusion Practice before and after Implementation of Type and Screen Protocol in Emergency Department of a University Affiliated Hospital in Iran

Table 2

Blood transfusion data of 944 patients during the period of study.

	Before implementation of type and screen		After implementation of type and screen		value
	Mean ± SD	Median (range)	Mean ± SD	Median (range)
Transfusion number	1.2 ± 0.7	1 (0 to 5)	1.9 ± 0.7	2 (0 to 4)	<0.001
Time interval between order and transfusion	143 ± 160	104 (4 to 1344)	26 ± 110	8 (2 to 852)	<0.001
ratio	1.41 ± 0.8	2 (0 to 4)	1.13 ± 0.4	1 (0 to 2)	<0.001
Transfusion index (TI)	0.58 ± 0.27	0.5 (0 to 1)	0.91 ± 0.21	1 (0 to 1)	<0.001