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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Neuropharmacology. 2018 Jun 5;142:143–166. doi: 10.1016/j.neuropharm.2018.05.012

Table 4.

Drug Abuse Warning Network (DAWN): Total ED Visits (Any Type) for Various Drugs, 2004–2011

Drugs 2004 2005 2006 2007 2008 2009 2010 2011
Total ED visits 2,537,722 3,009,025 3,441,855 3,998,228 4,383,494 4,595,261 4,916,328 5,067,374
                 
Psilocybin
   number of ED visits 2,947 2,937 3,557 4,006 5,422 4,087 4,539 6,048
   % of all ED visits 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1%
   Rate per 100,000 population 1.0 1.0 1.2 1.3 1.8 1.3 1.5 1.9
Opiates/opioids
   number of ED visits 299,498 388,873 452,929 542,699 668,803 769,330 851,453 855,348
   % of all ED visits 11.8% 12.9% 13.2% 13.6% 15.3% 16.7% 17.3% 16.9%
   Rate per 100,000 population 102.3 131.6 151.8 180.2 219.9 250.8 275.3 274.5
Cocaine
   number of ED visits 475,425 483,865 548,608 553,535 482,188 422,902 488,101 505,224
   % of all ED visits 18.7% 16.1% 15.9% 13.8% 11.0% 9.2% 9.9% 10.0%
   Rate per 100,000 population 162.4 163.7 183.9 183.8 158.6 137.9 157.8 162.1
Alcohol
   number of ED visits 674,914 527,198 577,525 634,663 656,911 658,263 687,574 724,306
   % of all ED visits 26.6% 17.5% 16.8% 15.9% 15.0% 14.3% 14.0% 14.3%
   Rate per 100,000 population 230.5 178.4 193.6 210.7 216.0 214.6 222.3 232.5