Table 3. Early Blood Transfusion Needs Score.

Risk factors	Score
Age (years)
0 - 55	0
56 - 70	1
> 70	2
Type of injury
Penetrating injury	2
Non-penetrating injury	0
Pulse (beats/min)
< 60	-4
60 - 119	0
≥ 120	3
Systolic blood pressure (mm Hg)
< 90	7
≥ 90	0
Glasgow coma scale
3 - 8	3
9 - 13	1
14 - 15	0
Total score	-4-17