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Table 4 Predictive ability of the equations NTRISS-like, TRISS SpO2, and NTRISS-like SpO2, with coefficients derived from the HCFMUSP and UCSDMC derivation databases, applied to the different groups for blunt and penetrating trauma, according to the severity by the Injury Severity Score (< or ≥16). São Paulo-San Diego, 2006–2010

From: Performance of new adjustments to the TRISS equation model in developed and developing countries

 

HCFMUSP equations validated on the HCFMUSP database

HCFMUSP equations validated on the UCSDMC database

ISS <16

ISS ≥16

ISS <16

ISS ≥16

AUC

95% CI

AUC

95% CI

AUC

95% CI

AUC

95% CI

NTRISS-like

0.908

0.878–0.938

0.867

0.836–0.898

0.901

0.868–0.933

0.868

0.837–0.898

TRISS SpO2

0.871

0.834–0.908

0.846

0.813–0.878

0.882

0.847–0.917

0.849

0.818–0.881

NTRISS-like SpO2

0.892

0.860–0.923

0.862

0.830–0.894

0.887

0.854–0.920

0.861

0.829–0.894

 

UCSDMC equations validated on the UCSDMC database

UCSDMC equations validated on the HCFMUSP database

ISS <16

ISS ≥16

ISS <16

ISS ≥16

AUC

95% CI

AUC

95% CI

AUC

95% CI

AUC

95% CI

NTRISS-like

0.909

0.863–0.954

0.936

0.913–0.958

0.899

0.850–0.948

0.936

0.913–0.958

TRISS SpO2

0.911

0.861–0.961

0.921

0.894–0.948

0.894

0.827–0.960

0.911

0.883–0.940

NTRISS-like SpO2

0.885

0.817–0.954

0.926

0.901–0.951

0.870

0.796–0.944

0.926

0.900–0.951

  1. ISS Injury Severity Score, AUC area under curve