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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