Fig 1. Box Plot of Transport Time hours from Scene to Study Centers by Direct and Indirect Transfer Status for TBI Patients.

* Among 366 study sample, 27 patients had missing transport time, and 3 patients had unknown direct transfer status (Center1 [N = 70]; Center2 [N = 79]; Center3 [N = 19]; Center4 [N = 78]; Center5 [N = 40]; Center6 [N = 24]; Center7 [N = 26]).