The American journal of emergency medicine
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With the development of regionalised trauma networks, interhospital transfer of trauma patients is an inevitable component of the trauma system. However, unnecessary transfer is a common phenomenon, and it is not without risk and cost. A better understanding of secondary overtriage would enable emergency physicians to make better decisions about trauma transfers and allow guidelines to be developed to support this decision making. This study aimed to describe the pattern of secondary overtriage in Hong Kong and identify its associated factors. ⋯ Interhospital transfer is an essential component of the trauma system. However, over one-fifth of the transfers were considered unnecessary in Hong Kong, and this could be considered to be an inefficient use of resources as well as cause inconvenience to patients and their families. We have identified related factors including blunt trauma, AIS <3 scores for head or neck, thorax, abdomen and extremities, and opportunities to establish and improve on transfer protocols. Further research should be aimed to safely reduce interhospital transfers in the future to improve the efficiency of the Hong Kong trauma system.