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Table 2 Distribution of head injury severity according to AIS in age subgroups

From: Increased in-hospital mortality following severe head injury in young children: results from a nationwide trauma registry

Head injury severity Age 1–3 years (%) Age 4–6 years (%) Age 7–10 years (%) Age 11–14 years (%) Age 15–17 years (%) Adults (%)
AIS 3 32.2 40.9 45.6 42.6 38.9 37.1
AIS 4 42.4 39.4 39.9 35.6 35.9 32.3
AIS 5 20.3 16.5 14.0 21.1 23.5 28.3
AIS 6 5.1 3.1 0.5 0.7 1.7 2.4