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Table 1 Demographic characteristics of individuals with an injury-related hospitalisation, linked hospitalisation and mortality data, NSW, 1 January 2010 to 30 June 2014

From: Identification and internal validation of models for predicting survival and ICU admission following a traumatic injury

  Number Percent
Gendera
 Male 409,148 55.6
 Female 326,804 44.4
Age groupb
 0–16 107,833 14.7
 17–24 80,908 11.0
 25–44 158,514 21.5
 45–64 152,913 20.8
 65–79 111,351 15.1
  ≥ 80 124,438 16.9
Charlson Comorbidity Index group
 0 586,878 79.7
 1–2 96,062 13.1
 3–4 29,312 4.0
  ≥ 5 23,709 3.2
Mental health diagnosesc 69,923 9.5
Alcohol misuse and dependence 53,280 7.2
Drug-related dependence 26,479 3.6
Trauma service level
 Level 1 trauma centre 204,530 27.8
 Regional trauma centre 131,987 17.9
 Other hospital 399,444 54.3
Injury mechanism
 Land transport incidents 73,977 10.1
 Falls 262,196 35.6
 Inanimate mechanical forces 88,323 12.0
 Drowning and submersion and other threats to breathing 1558 0.2
 Smoke, fire and flames, heat and hot substances 7497 1.0
 Poisoning 11,563 1.6
 Intentional self-harm 35,204 4.8
 Assault 22,600 3.1
 Other and unspecified injury mechanism 233,043 31.7
Principal nature of injury
 Superficial injuries 36,518 5.0
 Open wound 89,321 12.1
 Fracture 250,697 34.1
 Dislocations, sprains & strains 34,367 4.7
 Injury to nerves and spinal cord 7334 1.0
 Injury to blood vessels 3057 0.4
 Injury to muscle, fascia and tendon 28,424 3.9
 Injury to internal organs 28,744 3.9
 Foreign body entering through natural orifice 10,019 1.4
 Burns 9274 1.3
 Poisoning by drugs, medicaments and biological substances 40,425 5.5
 Toxic effects of substances chiefly nonmedicinal as to source 6868 0.9
 Other and unspecified injuries 190,913 25.9
Intensive care unit admission 23,054 3.1
90-day mortality 13,744 1.9
  1. aGender was missing 9 injury hospitalisations
  2. bAge was missing for 4 injury hospitalisations
  3. cIncludes depression, schizophrenia, bipolar and anxiety disorders