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. 2013 Nov 28;2013:758910. doi: 10.1155/2013/758910

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.