Table 2:

Injury-related characteristics of the study population (n = 19 338)

CharacteristicNo. of patients (%)*
Year of injury
 2005 or earlier2570 (13.3)
 20063272 (16.9)
 20073496 (18.1)
 20083285 (17)
 20093416 (17.7)
 20103290 (17)
Primary injury type
 Missing1 (0)
 Blunt18 064 (93.4)
 Penetrating950 (4.9)
 Burns323 (1.7)
Nature of injury or external cause of injury, code
 Land transport incidents8911 (46.1)
 Water transport incidents56 (0.3)
 Air and space transport incidents33 (0.2)
 Unintentional falls6837 (35.4)
 Mechanical forces996 (5.2)
 Unintentional drowning, submersion or other unintentional threats to breathing17 (0.1)
 Exposure to electric current, radiation and extreme ambient air temperature and pressure15 (0.1)
 Exposure to smoke, fire and flames253 (1.3)
 Contact with heat and hot substances42 (0.2)
 Exposure to forces of nature10 (0.1)
 Intentional self-harm, excluding poisoning322 (1.7)
 Assault, excluding poisoning1611 (8.3)
 Legal intervention and operations of war28 (0.1)
 Other207 (1.1)
Intentional injury
 Missing154 (0.8)
 Unintentional17 202 (89)
 Self-inflicted439 (2.3)
 Homicide or assault1543 (8)
Place of injury
 Missing105 (0.5)
 Home4841 (25)
 Residential institution284 (1.5)
 School or other institution or public area426 (2.2)
 Sports or athletics area409 (2.1)
 Street or highway8569 (44.3)
 Trade or service area476 (2.5)
 Industrial or construction area542 (2.8)
 Farm215 (1.1)
 Other specified place of occurrence1148 (5.9)
 Unspecified place of occurrence2323 (12)
Injury severity score
 9–151917 (10.1)
 16–249076 (47.7)
 25–406852 (36)
 41–49814 (4.3)
 50–75369 (1.9)
Injury severity score on arrival to trauma hospital, median (IQR)21 (16–26)
Received any trauma surgery5398 (27.9)
Received any general surgery procedure1020 (5.3)
Received any cardiothoracic surgery procedure188 (1)
Received any neurosurgery procedure2558 (13.2)
Received any orthopedic surgery procedure1943 (10.1)
If received surgery, no. of trauma surgeries, mean (SD)1.2 (0.6)
Ventilator duration
 1 d375 (2)
 2+ d1106 (5.8)
 Not ventilated17 547 (92.2)
If ventilated, no. of days, median (IQR)3 (1–10)
Length of stay at lead trauma hospital, median (IQR)8 (4–17)
Length of episode of care11 (6–23)
Disposition
 Home9038 (47.5)
 Home with support2163 (11.4)
 Another acute care facility3214 (16.9)
 General rehabilitation facility1724 (9.1)
 Chronic care facility236 (1.2)
 Nursing home404 (2.1)
 Special rehabilitation facility1572 (8.3)
 Other§677 (3.6)
  • Note: IQR = interquartile range, MVC = motor vehicle collision, SD = standard deviation.

  • * Unless otherwise specified.

  • Patients with a major traumatic injury from the Ontario Trauma Registry who were discharged between Apr. 1, 2005 and Dec. 31, 2010.

  • Includes unspecified transport incidents, overexertion, unintentional exposure to other and unspecified factors and event of undetermined intent, excluding poisoning.

  • § Includes individuals released to foster care.