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<h1 class="page__title title" id="page-title">National Healthcare Quality & National Healthcare Disparities Reports: Measure Specification Appendix, 2013</h1>
<div class="field field-name-field-subtitle field-type-text field-label-hidden"><div class="field-items"><div class="field-item even">Efficiency: Preventable Emergency Department Visits</div></div></div><div class="field field-name-ahrq-generic-body field-type-text-long field-label-hidden"><div class="field-items"><div class="field-item even"><p><a id="top" name="top"> </a></p>
<h3>Measures</h3>
<p><a href="#pev1">Potentially avoidable emergency department encounters for asthma</a><br />
&nbsp;</p>
<hr />
<p><a id="pev1" name="pev1">&nbsp;</a></p>
<h3>Measure Title</h3>
<p>Potentially avoidable emergency department encounters for asthma</p>
<h3>Measure Source</h3>
<p>Agency for Healthcare Research and Quality (AHRQ), Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), Nationwide Emergency Department Sample (NEDS)</p>
<h3>Table Description</h3>
<h4>Geographic Representation</h4>
<p>National</p>
<h4>Years Available</h4>
<p>2008-2010</p>
<h4>Population Subgroups</h4>
<p>Age, gender, geographic location (residence), income, region</p>
<h3>Data Source</h3>
<p>AHRQ, CDOM, HCUP, Nationwide Inpatient Sample (NIS), Nationwide Emergency Department Sample, and AHRQ Quality Indicators, modified version 4.1</p>
<h3>Denominator</h3>
<p>U.S. civilian population ages 2-17 or age 18 and over, as appropriate</p>
<h3>Numerator</h3>
<p>Subset of the denominator with an emergency department asthma visit</p>
<h3>Comments</h3>
<p>Consistent with the AHRQ Pediatric Quality Indicators (PDIs) software, asthma must be the principal diagnosis and the following cases are excluded: admissions with cystic fibrosis or anomalies of the respiratory system, transfers from other institutions, and obstetric admissions.</p>
<p>Rates are adjusted by age and gender using the total U.S. population for 2000 as the U.S. standard population; when reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.</p>
<p>Although not all States participate in the HCUP database, NIS is weighted to give national estimates using weights based on all U.S. community, nonrehabilitation hospitals in the American Hospital Association Annual Survey Database.</p>
<p class="size2"><a href="#top">Top of Page</a></p>
<p class="size2"><a href="/research/findings/nhqrdr/nhqrdr13/measurespec/index.html">Return to Contents</a><br />
<a href="/research/findings/nhqrdr/nhqrdr13/measurespec/efficiency-prevhosp.html">Proceed to Next Section</a></p>
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Page last reviewed <span class="date-display-single" property="dc:date" datatype="xsd:dateTime" content="2014-07-01T00:00:00-04:00">July 2014</span> <br />Page originally created July 2014 </div>
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Internet Citation: National Healthcare Quality & National Healthcare Disparities Reports: Measure Specification Appendix, 2013. Content last reviewed July 2014. Agency for Healthcare Research and Quality, Rockville, MD. https://www.ahrq.gov/research/findings/nhqrdr/nhqrdr13/measurespec/efficiency-preved.html<div class="citation-flag"></div>
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