Pelvic viscera
2.The lethality rate of severe polytrauma (ISS≥16) and the ISS values of death group were significantly higher in FI than that in RTT ( P <0.05). The incidence rate of injury in abdomen and/or pelvic cavity viscera, upper extremities, lower extremities and/or pelvis and spine were significantly higher in FI than that in RTT ( P <0.01, 0.05).

