Mild traumatic brain injury in the United States, 1998-2000.
Authors: Bazarian JJ, McClung J, Shah MN, Cheng YT, Flesher W, Kraus J
Publication Year: 2005
Last Updated: 2016-04-18 15:48:39
Journal: Brain Injury
Keywords: emergency department; incidence and epidemiology; mild traumatic brain injury; mTBI; National Hospital Ambulatory Medical Care Survey; American Indians/Alaska Natives;sports-related injury
Short Abstract:
Primary Objective: To determine the incidence and epidemiology of emergency department (ED)-attended mild traumatic brain injury (mTBI)in the US.
Abstract:
PRIMARY OBJECTIVE: To determine the incidence and epidemiology of emergency department (ED)-attended mild traumatic brain injury (mTBI) in the US. RESEARCH
DESIGN: Secondary analysis of ED visits for mTBI in the National Hospital Ambulatory Medical Care Survey for 1998--2000.
METHODS AND PROCEDURES: MTBI defined by International Classification of Diseases, 9th Revision, Clinical Modification (ICD9-CM) codes for 'skull fracture', 'concussion', 'intracranial injury of unspecified nature' and 'head injury, unspecified'.
MAIN OUTCOME AND RESULTS: The average incidence of mTBI was 503.1/100000, with peaks among males (590/100000), American Indians/Alaska Natives (1,026/100000) and those <5 years of age (1,115.2/100000). MTBI incidence was highest in the Midwest region (578.4/10000) and in non-urban areas (530.9/100000) of the US. Bicycles and sports accounted for 26.4% of mTBI in the 5-14 age group.
CONCLUSIONS: The national burden of mTBI is significant and the incidence higher than that reported by others. Possible explanations are discussed. Bicycle and sports-related injuries are an important and highly preventable cause of mTBI underscoring the need to promote prevention programmes on a national level.
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