Table 1.

Trauma center levels by the American College of Surgeons (ACS)

	Level-1	Level-2	Level-3	Level-4
Goal	Total care of every aspect of injury	Definitive care for all injured patients	Prompt assessment, resuscitation, surgery, intensive care and stabilization of injured patients and emergency operations.	Provide ATLS prior to transfer patients to higher level trauma center
Coverage	24 h of all specialties	24 h surgeons, neurosurgery, anaesthesiology, emergency medicine and radiology	24 h emergency medicine	Basic emergency department facilities
Volume	Minimum annual volume of severely injured patients	No minimum annual volume of severely injured patients	No minimum annual volume of severely injured patients	No minimum annual volume of severely injured patients