损伤严重度评分（ISS）
六个解剖区 AIS（0–6）；ISS = 最高三项 AIS 的平方和（标准方法）。
计算器
说明
The ISS aggregates the three most severe regional AIS injuries by squaring and summing them; maximum ISS is 75.
局限
Requires accurate AIS coding from injury data; does not replace trauma team activation criteria at your center.
仅供教学参考，不能替代临床诊断或治疗决策。