Table 2:

Comparison of mechanism and injury diagnoses for the study population based on location of death (out-of-hospital versus in-hospital)

CharacteristicNo. (%) of patients*Standardized difference
Total deaths
n = 19 408
Out-of-hospital deaths
n = 14 089
In-hospital deaths
n = 5319
Demographic characteristics
 Female4879 (25.1)3448 (24.5)1431 (26.9)0.1
 Age, yr, median (IQR)45 (26–62)44 (27–59)49 (26–71)0.2
 Rural residence4284 (22.1)3234 (23.0)1050 (19.7)0.1
 Elixhauser Comorbidity Index score, median (range)0 (0–2)0 (0–2)1 (0–2)0.1
Mechanism of injury
 Motor vehicle collision (all types)12 065 (62.2)8273 (58.7)3792 (71.3)0.3
 Gunshot wound3134 (16.1)2754 (19.5)380 (7.1)0.4
 Fall2387 (12.3)1736 (12.3)651 (12.2)< 0.1
 Stabbing1135 (5.8)855 (6.1)280 (5.3)< 0.1
 Person struck687 (3.5)471 (3.3)216 (4.1)< 0.1
Nature of injury
 Suicide4331 (22.3)3884 (27.6)447 (8.4)0.5
Injury diagnosis by body region§
 Multiple body-system8986 (46.3)6816 (48.4)2170 (40.8)0.1
 Traumatic brain7527 (38.8)5275 (37.4)2252 (42.3)< 0.1
 Thoracic3343 (17.2)2351 (16.7)992 (18.7)0.1
 Neck and cervical spine1334 (6.9)975 (6.9)359 (6.7)0.2
 Abdomen, lower back, lumbar spine and pelvis1137 (5.9)684 (4.9)453 (8.5)0.2
 Limb409 (2.1)248 (1.8)161 (3.0)0.1
 Complications and sequelae of injuries274 (1.4)167 (1.2)107 (2.0)0.1
  • Note: IQR = interquartile range.

  • * Unless stated otherwise.

  • Standardized difference > 0.1 indicates a statistically significant difference between groups.

  • Includes diagnoses involving persons struck by other persons or various objects.

  • § Some people had injuries in more than 1 body region.

  • Includes head, brain and facial injuries.