During 2005-2010,approximately 388000 emergency department visits were made each year by persons aged less than or equal to 18 years who had been injured by assault, an overall rate of 5.0 visits per 1000 persons per year. The visit rate for assault for non-Hispanic blacks aged 13-18 years was 25.3 per 1000 population, or which was higher than the 8.4 rate for non-Hispanic whites and the 9.7 rate for Hispanics. Among children aged 0-12 years,the visit rate also was higher among non-Hispanic blacks (5.7) than among non-Hispanic whites (1.6) or Hispanics (1.6).
Source: cdc.gov