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Table 3 Injury characteristics of injured young people by grade, linked health and school performance data NSW, 2005–2018

From: The impact of childhood injury and injury severity on school performance and high school completion in Australia: a matched population-based retrospective cohort study

Characteristic Injury cohort – Grade 3
(n = 50,213)
Injury cohort – Grade 5
(n = 46,034)
Injury cohort – Grade 7
(n = 36,962)
Injury cohort – Grade 9
(n = 24,501)
  n % n % n % n %
Injury mechanism
 Transport incidents 3753 7.5 4302 9.4 4007 10.8 2985 12.2
 Falls 24,891 49.6 22,962 49.9 18,544 50.2 12,069 49.3
Fall from playground equipment 7223 14.4 6519 14.2 4932 13.3 2947 12.0
 Inanimate mechanical forces 11,051 22.0 9591 20.8 7309 19.8 4447 18.2
 Animate mechanical forces 2274 4.5 2145 4.7 1817 4.9 1430 5.8
 Drowning and submersion or other threats to breathing 523 1.0 376 0.8 237 0.6 95 0.4
 Smoke, fire, flames, heat and hot substances 1937 3.9 1494 3.3 949 2.6 424 1.7
 Venomous animals and plants 369 0.7 373 0.8 281 0.8 190 0.8
 Poisoning 1970 3.9 1541 3.4 968 2.6 374 1.5
 Assault 283 0.6 239 0.5 166 0.5 125 0.5
 Other and unspecified injury mechanism 3162 6.3 3011 6.5 2684 7.3 2362 9.6
Injury severity
 Minor (ICISS ≤0.99) 47,577 94.8 43,795 95.1 35,201 95.2 23,364 95.4
 Moderate (ICISS 0.942–0.99) 1925 3.8 1668 3.6 1332 3.6 860 3.5
 Serious (ICISS < 0.942) 711 1.4 571 1.2 429 1.2 277 1.1
Traumatic brain injury (yes) 1337 2.7 1268 2.8 1117 3.0 809 3.3
Principal injury type
 Head 13,606 27.1 11,115 24.2 7916 21.4 4637 18.9
 Neck 452 0.9 548 1.2 554 1.5 466 1.9
 Thorax 170 0.3 193 0.4 199 0.5 163 0.7
 Abdomen, lower back, lumbar spine and pelvis 992 2.0 1048 2.3 917 2.5 664 2.7
 Shoulder and upper arm 5342 10.6 4615 10.0 3393 9.2 2165 8.8
 Elbow and forearm 11,049 22.0 11,934 25.9 10,757 29.1 7573 30.9
 Wrist and hand 5004 10.0 4737 10.3 4045 10.9 2920 11.9
 Hip and thigh 1148 2.3 991 2.2 824 2.2 517 2.1
 Knee and lower leg 2131 4.2 2338 5.1 2388 6.5 2162 8.8
 Ankle and foot 2087 4.2 1998 4.3 1656 4.5 1091 4.5
 Other injuriesa 8232 16.4 6517 14.2 4313 11.7 2143 8.8
Nature of principal injury
 Superficial injuries 3052 6.1 2629 5.7 1888 5.1 1140 4.7
 Open wound 10,801 21.5 9270 20.1 6848 18.5 4008 16.4
 Fracture 21,220 42.3 21,196 46.0 18,580 50.3 13,397 54.7
 Dislocations, sprains and strains 543 1.1 580 1.3 532 1.4 533 2.2
 Injury to nerves and spinal cord 225 0.5 213 0.5 179 0.5 140 0.6
 Injury of eye and orbit 258 0.5 246 0.5 204 0.6 123 0.5
 Injury to blood vessels 64 0.1 63 0.1 62 0.2 41 0.2
 Injury to muscle, fascia and tendon 462 0.9 492 1.1 441 1.2 344 1.4
 Crushing injury 241 0.5 191 0.4 133 0.4 79 0.3
 Traumatic amputation 538 1.1 426 1.1 318 0.9 165 0.7
 Injury to internal organs 1502 3.0 1469 3.2 1303 3.5 957 3.9
 Foreign body entering through natural orifice 3058 6.1 2376 5.2 1576 4.3 808 3.3
 Burns 2148 4.3 1661 3.6 1077 2.9 476 1.9
 Poisoning by drugs, medicaments and biological substances 1574 3.1 1242 2.7 785 2.1 371 1.5
 Toxic effects of substances chiefly nonmedicinal as to source 738 1.5 644 1.4 444 1.2 248 1.0
 Other and unspecified injuries 3789 7.6 3336 7.3 2592 7.0 1671 6.8
  mean SD mean SD mean SD mean SD
Time since index injury hospitalisation to NAPLAN assessment (months) 46.2 27.4 57.8 33.3 66.3 39.4 70.0 42.9
  1. aOther injuries include: injuries involving multiple body regions, injuries to unspecified parts of trunk, limb or body region, effects of foreign bodies, burns, frostbite, poisoning, and unspecified injuries.