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Table 2 Distribution of Variables

From: The development of simple survival prediction models for blunt trauma victims treated at Asian emergency centers

  

Derivation Data

Validation Data

Khon Kaen Data

Number

 

5113

5097

6407

cAGE

0

58.0%

58.5%

87.6%

 

1

42.0%

41.5%

12.4%

RTS

 

7.8 [6.9, 7.8]

7.8 [6.9, 7.8]

7.8 [7.8, 7.8]

cSBP

4

85.0%

85.3%

95.9%

 

3

3.2%

3.4%

1.6%

 

2

2.6%

2.6%

1.1%

 

1

1.3%

1.1%

0.2%

 

0

7.9%

7.6%

1.2%

cGCS

4

72.4%

73.4%

89.4%

 

3

7.5%

7.0%

3.0%

 

2

6.1%

5.9%

4.6%

 

1

2.6%

2.6%

1.1%

 

0

11.4%

11.1%

1.9%

cRR

4

76.0%

76.8%

92.1%

 

3

15.0%

14.8%

0.2%

 

2

0.4%

0.4%

0.02%

 

1

0.2%

0.1%

0.2%

 

0

8.4%

7.9%

7.5%

ISS

 

17.6 ± 14.2

17.4 ± 14.0

9.5 ± 10.1

cISS

4

51.1%

51.0%

83.2%

 

3

21.2%

22.3%

6.9%

 

2

20.4%

19.7%

7.4%

 

1

5.3%

5.2%

2.3%

 

0

2.0%

1.8%

0.2%

Survival

 

82.1%

83.1%

95.9%

  1. cAGE: coded value of age, RTS: the Revised Trauma Score shown by median [IQR],
  2. cBP: coded value of systolic blood pressure, cGCS: coded value of the Glasgow Coma Scale score,
  3. cRR: coded value of respiratory rate, ISS: the Injury Severity Score shown by mean ± standard deviation,
  4. cISS: coded value of the Injury Severity Score