Results The three factors of traffic accident of vehicle, accidental drop or trip, killed or injured were major, the two factors of contingency of machine incision or puncture tool, traffic ...

• 结果损伤和中毒的外部原因的主要因素有机动车辆交通事故、意外跌伤、他杀和他伤3类;次要因素有由机器切割和穿刺工具所致的意外事故、机动车以外的运输事故2类;其余9类为一般因素。