Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
A firearm-related injury is defined as a penetrating injury or gunshot wound from a weapon using a powder charge to fire a projectile.
NEISS does not use ICD codes. However, reporters are given extensive training and report any gun-related injury cases in the emergency department record. Victims may also have other types of injuries, but if the incident involved a gun, it is included. Coders also attempt to capture data on intent, when appropriate information is provided in the medical record.
Data by race are not reported because multiple race data are not typically available from the emergency department records.
Emergency department visit rates are calculated using the new bridged-race postcensal population estimates of the resident population of the United States for the data year involved. For census years (e.g. 2010), population counts enumerated as of April 1 are used. For all other years, populations estimates as of July 1 are used. Intercensal population estimates are used in rate calculations for the years between censuses (e.g. 1991-1999, 2001-2009). Please note that postcensal population estimates for years after the last census year are updated annually, which means that rates prior to the update may be different.
Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.
In 2013, rates for 2007-2009 were revised using intercensal population estimates based on the 2000 and 2010 censuses instead of the postcensal estimates for the denominator. However, the baseline estimate for the total population did not change so the target remained the same. Some baseline estimates for population subgroups were revised.
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