Traumatic injuries account for 10% of all mortalities in the United States. Globally, it is estimated that by the year 2030, 2.2 billion people will be overweight (BMI ≥ 25) and 1.1 billion people will be obese (BMI ≥ 30). Obesity is a known risk factor for suboptimal outcomes
in trauma; however, the extent of this impact after blunt trauma remains to be determined. The incidence, prevalence, and mortality rates from blunt trauma by age, gender, cause, BMI, year, and geography were abstracted using datasets from 1) the Global Burden of Disease group 2) the United
States Nationwide Inpatient Sample databank 3) two regional Level II trauma centers. Statistical analyses, correlations, and comparisons were made on a global, national, and state level using these databases to determine the impact of BMI on blunt trauma. The incidence of blunt trauma secondary
to falls increased at global, national, and state levels during our study period from 1990 to 2015, with a corresponding increase in BMI at all levels (P < 0.05). Mortality due to fall injuries was higher in obese patients at all levels (P < 0.05). Analysis from Nationwide
Inpatient Sample database demonstrated higher mortality rates for obese patients nationally, both after motor vehicle collisions and mechanical falls (P < 0.05). In obese and nonobese patients, regional data demonstrated a higher blunt trauma mortality rate of 2.4% versus
1.2%, respectively (P < 0.05) and a longer hospital length of stay of 4.13 versus 3.26 days, respectively (P = 0.018). The obesity rate and incidence of blunt trauma secondary to falls are increasing, with a higher mortality rate and longer length of stay in obese blunt
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Document Type: Research Article
From the *Department of Surgery, Joan C. Edwards School of Medicine, Marshall University, Huntington, West Virginia;
†Joan C. Edwards School of Medicine, The Multidisciplinary Institute for Interdisciplinary Research (MIIR), Marshall University, Huntington, West Virginia; and
Publication date: December 1, 2019
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