Document Detail

Crash test ratings and real-world frontal crash outcomes: a CIREN study.
MedLine Citation:
PMID:  20453764     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To establish whether the Insurance Institute for Highway Safety (IIHS) offset crash test ratings are linked to different mortality rates in real world frontal crashes. METHODS: The study used Crash Injury Research Engineering Network drivers of age older than 15 years who were involved in frontal crashes. The Crash Injury Research Engineering Network is a convenience sample of persons injured in crashes with at least one Abbreviated Injury Scale score of 3+ injury or two Abbreviated Injury Scale score of 2+ injuries who were either treated at a Level I trauma center or died. Cases were grouped by IIHS crash test ratings (i.e., good, acceptable, marginal, poor, and not rated). Those rated marginal were excluded because of their small numbers. Mortality rates experienced by these ratings-based groups were compared using the Mantel-Haenszel chi test. Multiple logistic regression models were built to adjust for confounders (i.e., occupant, vehicular, and crash factors). RESULTS: A total of 1,226 cases were distributed within not rated (59%), poor (12%), average (16%), and good (14%) categories. Those rated good and average experienced a lower unadjusted mortality rate. After adjustment by confounders, those in vehicles rated good experienced a lower risk of death (adjusted OR 0.38 [0.16-0.90]) than those in vehicles rated poor. There was no significant effect for "acceptable" rating. Other factors influencing the occurrence of death were age, DeltaV >or=70 km/h, high body mass index, and lack of restraint use. CONCLUSION: After adjusting for occupant, vehicular, and crash factors, drivers of vehicles rated good by the IIHS experienced a lower risk of death in frontal crashes.
Gabriel E Ryb; Cynthia Burch; Timothy Kerns; Patricia C Dischinger; Shiu Ho
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of trauma     Volume:  68     ISSN:  1529-8809     ISO Abbreviation:  J Trauma     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-10     Completed Date:  2010-05-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376373     Medline TA:  J Trauma     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1099-105     Citation Subset:  AIM; IM    
Charles C Mathias, Jr National Study Center for Trauma and EMS, University of Maryland, Baltimore, Maryland 21201, USA.
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MeSH Terms
Abbreviated Injury Scale
Accidents, Traffic / mortality*
Automobiles* / standards,  statistics & numerical data
Chi-Square Distribution
Confounding Factors (Epidemiology)
Consumer Product Safety* / standards
Likelihood Functions
Logistic Models
Middle Aged
Multivariate Analysis
Population Surveillance
Predictive Value of Tests
Risk Assessment / organization & administration*
Trauma Centers
United States / epidemiology
Wounds and Injuries* / etiology,  mortality

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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