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Contemporary New Zealand coefficients for the trauma injury severity score: TRISS(NZ)
Schluter, Philip J., Cameron, Cate, Davey, Tamzyn, Civil, Ian, Orchard, Jodie, Dansey, Rangi, Hamill, James, Naylor, Helen, James, Carolyn, Dorrian, Jenny, Christey, Grant, Pollard, Cliff and McClure, Rod (2009) Contemporary New Zealand coefficients for the trauma injury severity score: TRISS(NZ). The New Zealand Medical Journal, 122 1302: 54-64.
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| Author
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Schluter, Philip J.
Cameron, Cate
Davey, Tamzyn
Civil, Ian
Orchard, Jodie
Dansey, Rangi
Hamill, James
Naylor, Helen
James, Carolyn
Dorrian, Jenny
Christey, Grant
Pollard, Cliff
McClure, Rod
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| Title
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Contemporary New Zealand coefficients for the trauma injury severity score: TRISS(NZ)
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| Journal name
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The New Zealand Medical Journal (ERA 2012 Listed) Check publisher's open access policy
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| Publication date
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2009-09-11
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| Sub-type
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Article
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| Year available
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2009
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| Volume number
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122
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| Issue number
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1302
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| ISSN
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0028-8446; 1175-8716
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| Start page
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54
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| End page
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64
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| Total pages
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12
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| Editor
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Frank Frizelle
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| Place of publication
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Christchurch, New Zealand
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| Publisher
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New Zealand Medical Association
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| Collection year
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2010
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| Language
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eng
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| Subject
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111706 Epidemiology
920409 Injury Control
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| Formatted abstract
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Aims.
To develop local contemporary coefficients for the Trauma Injury Severity Score in New Zealand, TRISS(NZ), and to evaluate their performance at predicting survival against the original TRISS coefficients.
Methods.
Retrospective cohort study of adults who sustained a serious traumatic injury, and who survived until presentation at Auckland City, Middlemore, Waikato, or North Shore Hospitals between 2002 and 2006. Coefficients were estimated using ordinary and multilevel mixed-effects logistic regression models.
Results.
1735 eligible patients were identified, 1672 (96%) injured from a blunt mechanism and 63 (4%) from a penetrating mechanism. For blunt mechanism trauma, 1250 (75%) were male and average age was 38 years (range: 15–94 years). TRISS information was available for 1565 patients of whom 204 (13%) died. Area under the Receiver Operating Characteristic (ROC) curves was 0.901 (95%CI: 0.879–0.923) for the TRISS(NZ) model and 0.890 (95% CI: 0.866–0.913) for TRISS (P<0.001). Insufficient data were available to determine coefficients for penetrating mechanism TRISS(NZ) models.
Conclusions.
Both TRISS models accurately predicted survival for blunt mechanism trauma. However, TRISS(NZ) coefficients were statistically superior to TRISS coefficients. A strong case exists for replacing TRISS coefficients in the New Zealand benchmarking software with these updated TRISS(NZ) estimates.
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| References
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| Q-Index Code
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C1
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| Q-Index Status
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Confirmed Code
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| Institutional Status
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UQ
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Cited 
