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Table 1 Demographic and injury characteristics of the sample

From: A new weighted injury severity scoring system: better predictive power for adult trauma mortality

   Sample A: study sample Sample B: test sample
n % n %
Total   915,071   915,869  
Age 18-45 years 412,027 45.0 412,218 45.0
45-64 years 259,642 28.4 260,21 28.4
65+ years 243,402 26.6 243,440 26.6
Gender Male 589,283 64.5 590,605 64.6
Female 324,538 35.5 323,992 35.4
ISS 1-3 132,616 14.5 132,654 14.5
4-8 274,155 30.0 273,288 29.8
9-15 291,557 31.9 291,989 31.9
16-24 136,481 14.9 137,083 15.0
25-74 80,262 8.8 80,855 8.8
ACS Verification Level I 569,979 62.3 570,894 62.3
II 345,092 37.7 344,975 37.7
Mechanism Blunt 771,243 84.3 770,884 84.2
Penetrating 89,507 9.8 90,474 9.9
Burn 14,940 1.6 14,881 1.6
Other/unspecified 39,381 4.3 39,630 4.3
Isolated/Poly trauma Isolated trauma 263,324 28.8 262,969 28.7
Polytrauma 651,747 71.2 652,900 71.3