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<article xmlns:ali="http://www.niso.org/schemas/ali/1.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" article-type="other"><?properties open_access?><front><journal-meta><journal-id journal-id-type="nlm-ta">MMWR Morb Mortal Wkly Rep</journal-id><journal-id journal-id-type="iso-abbrev">MMWR Morb. Mortal. Wkly. Rep</journal-id><journal-id journal-id-type="publisher-id">MMWR</journal-id><journal-title-group><journal-title>MMWR. Morbidity and Mortality Weekly Report</journal-title></journal-title-group><issn pub-type="ppub">0149-2195</issn><issn pub-type="epub">1545-861X</issn><publisher><publisher-name>U.S. Centers for Disease Control</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmc">4584547</article-id><article-id pub-id-type="publisher-id">1183</article-id><article-categories><subj-group subj-group-type="heading"><subject>Quick Stats</subject></subj-group></article-categories><title-group><article-title>QuickStats</article-title></title-group><contrib-group><contrib contrib-type="author"><collab>FROM THE NATIONAL CENTER FOR HEALTH STATISTICS</collab></contrib></contrib-group><pub-date pub-type="collection"><day>12</day><month>12</month><year>2014</year></pub-date><pub-date pub-type="epub"><day>12</day><month>12</month><year>2014</year></pub-date><volume>63</volume><issue>49</issue><fpage>1183</fpage><lpage>1183</lpage><permissions><copyright-year>2014</copyright-year><license license-type="open-access" xlink:href="https://creativecommons.org/about/cc0"><license-p>All material in the MMWR Series is in the public domain and may be used and reprinted without permission; citation as to source, however, is appreciated.</license-p></license></permissions></article-meta></front><body><fig id="f1-1183" position="anchor"><caption><p>Average Annual Rate of Emergency Department Visits for Bipolar Disorder<sup>*</sup> Among Persons Aged &#x02265;15 Years, by Age Group &#x02014; National Hospital Ambulatory Medical Care Survey, United States, 2010&#x02013;2011</p><p><sup>*</sup> Per 1,000 population based on the annual average over 2 years. Visits for bipolar disorder were defined as those with any of the following <italic>International Classification of Diseases, Ninth Revision</italic>, <italic>Clinical Modification</italic> diagnosis codes: 296.0, 296.1, or 296.4&#x02013;296.8. Up to three diagnoses were recorded for each visit.</p><p><sup>&#x02020;</sup> 95% confidence interval.</p></caption><graphic xlink:href="1183f1"/></fig><p>During 2010&#x02013;2011, approximately 468,000 emergency department visits were made each year by persons aged &#x02265;15 years with a diagnosis of bipolar disorder, an overall rate of 3.8 visits per 1,000 persons per year. The visit rate declined significantly as age increased. Persons aged 15&#x02013;24 years had the highest rate (6.5 per 1,000), which was nearly three times the rate for persons aged &#x02265;50 years (2.2 per 1,000).</p><p><bold>Source:</bold> National Hospital Ambulatory Medical Care Survey, 2010&#x02013;2011. Available at <ext-link ext-link-type="uri" xlink:href="http://www.cdc.gov/nchs/ahcd.htm">http://www.cdc.gov/nchs/ahcd.htm</ext-link>.</p><p><bold>Reported by:</bold> Donald K. Cherry, MS, <email>dcherry@cdc.gov</email>, 301-458-4762; Linda F. McCaig, MPH.</p></body></article>