This is a national multi-center, cluster-randomized controlled trial. This cluster-randomized controlled trial will be performed, with counties as the randomization units. The included counties will be randomized into an experimental group and a control group. A trauma treatment team will be only established in the experimental group. The in-hospital mortality rate will be compared between the experimental and control groups to investigate the effects of trauma treatment team establishment on the treatment of patients with severe trauma.
To evaluate the effects of trauma treatment team establishment on the treatment of patients with severe trauma.