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National, State, And County Level Analysis Of Bicycle Associated Injuries And Fatalities In The United States: What's The Trend?
Micah Ngatuvai, *Adel Elkbuli
Department of Surgery, Orlando Regional Medical Center, Orlando, FL

Background (issue): While bicycle usage has a multitude of benefits to society, bicycle accidents also pose a public health problem. Although bicycle accidents are not as common as motor vehicle accidents, fatal injury rates are considerably high. The objective of this study is to look at the trends of fatality rates in bicycles as compared to motor vehicle collisions, as well as provide a breakdown by adult and pediatric populations.
Methods: This is a retrospective study investigating the injuries/capita and fatalities/capita associated with bicyclists in comparison to motor-vehicle collisions (MVCs) in adults (aged 18+) and pediatrics (<18 years old) conducted from 2010-2020. The number of individuals involved, injured, and killed in a collision involving a bicyclist or MVC were obtained from the Fatality Analysis Reporting System.
Findings: From the study period of 2010-20 approximately 540,751 bicycle injuries and 2,093,841 MVC injuries occurred. Similarly, 8,673 bicycle fatalities and 316,129 happened during the 10 year period. When comparing fatality rate, bicyclists exhibited a significantly greater fatality rate in comparison to MVCs (16.3 vs. 12.3, p=0.003) from 2010-20 (Cohend=1.618, 95% CI [0.630, 2.576]).
Conclusions (implications for practice): The rate of bicycle fatalities is significantly higher as compared to MVCs, and has been steadily increasing each year. Pediatric bicycle fatalities represented approximately 10% of fatalities. Those who died were more likely to not use a helmet and be in an area with no sidewalk present. The top 10 states per capita vary between adults and pediatric populations, however some states were included in both, such as Florida.


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