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Table 4 Traumatic injury classification by decades of age

From: Epidemiological patterns of traumatic musculoskeletal injuries and non-traumatic disorders in Japan Self-Defense Forces

Age (y) 15–19 20–29 30–39 40–49 50–60 Total
  n % n % n % n % n % n %
Contusion 135 23.6 1054 28.9 844 29.5 695 28.3 270 29.8 2998 28.7
Sprain 160 27.9 964 26.4 778 27.2 669 27.3 230 25.4 2801 26.8
Fracture 67 11.7 413 11.3 316 11.0 301 12.3 109 12.0 1206 11.5
Ligament injury 94 16.4 497 13.6 315 11.0 212 8.6 47 5.2 1165 11.2
Tendon injury 51 8.9 310 8.5 299 10.4 266 10.8 114 12.6 1040 10.0
Joint injury 35 6.1 216 5.9 189 6.6 203 8.3 95 10.5 738 7.1
Dislocation 25 4.4 125 3.4 69 2.4 44 1.8 10 1.1 273 2.6
Periarthritis 2 0.3 28 0.8 31 1.1 35 1.4 23 2.5 119 1.1
Nerve injury 1 0.2 12 0.3 12 0.4 14 0.6 5 0.6 44 0.4
Incision wound 2 0.3 20 0.5 5 0.2 8 0.3 2 0.2 37 0.4
Other 1 0.2 7 0.2 6 0.2 5 0.2 2 0.2 21 0.2