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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