Blood Requisition and Utilization Practice in Surgical Patients at University of Gondar Hospital, Northwest Ethiopia

Table 3

Blood utilization indices of surgical patients at University of Gondar Hospital, Ethiopia, 2013 (𝑁=1,212).

Department	Blood utilization indices
	C/T ratio			%T			TI
	N	D	I	N	D	I	N	D	I
Surgery
Elective (𝑁=392)	412	154	2.6	43	54	0.79	154	54	2.85
Emergency (𝑁=207)	232	136	1.7	59	168	0.35	136	168	0.81
Subtotal	644	280	2.3	102	222	0.46	280	222	1.26
Gynecology and obstetrics
Elective (𝑁=236)	242	84	2.9	34	146	0.23	84	146	0.57
Emergency (𝑁=147)	186	104	1.8	150	234	0.64	104	234	0.44
Subtotal	428	188	2.3	184	380	0.48	188	380	0.49
Total	1072	468	2.3	286	602	0.47	468	602	0.77

Abbreviations: N stands for numerator; D stands for dominator; I stand for index. C/T: crossmatch transfusion ratio, %T: the probability of transfusion, and TI: transfusion index.