Aortic Blunt Trauma Analysis during a Frontal Impact

Table 4

AIS coding system.

AIS score	Injury	Description
0	None	None
1	Minor	Superficial
2	Moderate	Reversible injuries; required medical attention
3	Serious	Reversible injuries: hospitalization required
4	Severe	Life-threatening; not fully recoverable without care
5	Critical	Irreversible injury; not fully recoverable even with medical care
6	Unsurvivable	Deadly