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Comparing personal injury severity scores (KABCO) with Injury Severity Score (ISS)

 

Abstract: The primary objective of this project was to integrate crash and injury data in order to be able to derive more precise injury outcomes as well as to assess the disparity between officer assessments of personal injury and actual outcomes assessed by healthcare providers. The secondary objective of this project was to examine if the association between both assessments changed after implementation of new MMUCC PR-1 crash reporting system which began in January, 2015. The law enforcement officers use KABCO scale to assess injuries whereas the medical professionals use injury severity scale (ISS). The crash data was obtained from Connecticut Crash Data Repository (CTCDR) for years 2014-2016. The injury data was obtained from Yale New Haven Hospital’s Trauma Registry database for the same time period. The deterministic matching approach was used to link crash data with injury data. Name of person, gender, date of birth, and date of crash were used as matching variables. The deterministic method was used because it accepts only those cases which fulfilled the matching criteria. SAS v9.4 software was used for matching and analysis of the matched cases. There were 2026 matched records over the 3 year period. The overall matching rate was 71%, however, it varied across years - 52% for 2014, 79% for 2015 and 81% for 2016. Further analysis of linked records showed the majority were males (67%), white (60%), and between the ages of 25-34 years (20%). Among the KABCO categories, the majority of the records were suspected minor injury class (B) with an ISS score between 1-9. The correlation between ISS and KABCO was stronger for "K" and "O" categories. In addition, the results showed that the law enforcement officer’s coding of injury crashes improved over the 3 years to align better with medical professional’s assessment of injury which may indicate that officers were following new definitions of KABCO scale after implementation of new MMUCC PR-1 guidelines.


Pine Violano - is currently the Manager of Injury Prevention, Community Outreach and Research Program at Yale New Haven Hospital. She is also the Co-Director and Co-Primary Investigator of the Injury Free Coalition for Kids in New Haven at Yale New Haven Children’s Hospital. Pina develops injury prevention strategies on a local, state and national level and has longstanding leadership and expertise in reducing the impact of preventable injuries and death through community outreach efforts locally in the City of New Haven, regionally and nationally. Pina led the effort for the Children’s Hospital to receive the designation of Injury Free Coalition for Kids in New Haven. She is an appointed member of Connecticut’s Child Fatality Review Panel by the Speaker of the House Representatives. She is also a registered nurse with over 30 years’ experience and completed her PhD in Public Health. Her dissertation research focused 0n “Determinants of Usage of Age-Appropriate Child Safety Seats in CT

 

 

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