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class="main-content lit-style"><div class="fm-sec bkr_bottom_sep"><div class="bkr_thumb"><a href="http://www.rcgp.org.uk/" title="Royal College of General Practitioners (UK)" class="img_link icnblk_img" ref="pagearea=logo&amp;targetsite=external&amp;targetcat=link&amp;targettype=publisher"><img class="source-thumb" src="/corehtml/pmc/pmcgifs/bookshelf/thumbs/th-nicecg67s-lrg.png" alt="Cover of A Systematic Review of Risk Scoring Methods and Clinical Decision Aids Used in the Primary Prevention of Coronary Heart Disease (Supplement)" /></a></div><div class="bkr_bib"><h1 id="_NBK55818_"><span itemprop="name">A Systematic Review of Risk Scoring Methods and Clinical Decision Aids Used in the Primary Prevention of Coronary Heart Disease (Supplement)</span></h1><p><i>NICE Clinical Guidelines, No. 67S</i></p><p class="contrib-group"><h4>Authors</h4><span itemprop="author">AD Beswick</span>,<sup>1</sup> <span itemprop="author">P Brindle</span>,<sup>1</sup> <span itemprop="author">T Fahey</span>,<sup>2</sup> and <span itemprop="author">S Ebrahim</span><sup>1</sup>.</p><h4>Affiliations</h4><div class="affiliation"><sup>1</sup>
Department of Social Medicine, University of Bristol, Canynge Hall, Whiteladies Road, Bristol, BS8 2PR</div><div class="affiliation"><sup>2</sup>
Tayside Centre for General Practice, Kirsty Semple Way, University of Dundee, Dundee, DD2 4AD</div><div class="half_rhythm">London: <a href="http://www.rcgp.org.uk/" ref="pagearea=meta&amp;targetsite=external&amp;targetcat=link&amp;targettype=publisher"><span itemprop="publisher">Royal College of General Practitioners (UK)</span></a>; <span itemprop="datePublished">2008 May</span>.</div><div><a href="/books/about/copyright/">Copyright</a> &#x000a9; 2008, Royal College of General Practitioners.</div><a class="btn wsprkl bkr_rd" href="/books/n/nicecg67s/executivesummary/?report=reader">Read</a></div><div class="bkr_clear"></div></div><div class="bkr_bottom_sep bkr_bottom_margin body-content whole_rhythm"><div itemprop="description"><h2>Summary</h2><div id="background1"><h4 class="inline">Background:</h4><p>Guidelines recommend that cardiovascular disease risk scoring methods are used to identify patients who are asymptomatic, but at high risk of future cardiovascular disease.</p></div><div id="methods1"><h4 class="inline">Methods:</h4><p>Using standard Cochrane methods we performed a series of systematic reviews to assess the accuracy and effectiveness of risk-scoring methods in different populations.</p></div><div id="results"><h4 class="inline">Results:</h4><p>A comprehensive search strategy identified 3,439 articles of which 996 related to the use of risk scoring methods. One hundred and ten risk scoring methods were identified of which 70 were specifically aimed at guiding primary prevention of cardiovascular disease. Most of the risk scores included a core set of variables reflecting the contemporary established independent risk factors, although several widely recommended methods do not include family history of cardiovascular diseases. Some methods incorporated an adjustment for use in geographic regions with differing levels of cardiovascular disease risk.</p><p>Studies reporting the generalisability of Framingham-derived scores in 112 different population groups revealed a tendency to over-estimate the risk of coronary heart disease in groups with low observed risk and to under-estimate risk in high-risk groups. There were no consistent sex differences in the calibration of risk score, but discrimination was better in women than in men.</p><p>Only four randomised controlled trials examined the effectiveness of risk scoring methods in improving health outcomes in hypertensives (3 studies) and diabetics (1 study). Effectiveness in moderate risk individuals was not examined. None showed any improvement in absolute risk or their primary outcomes compared to controls.</p></div><div id="conclusions"><h4 class="inline">Conclusions:</h4><p>The generalisability of risk scores in different populations cannot be assumed and there is currently little evidence that they are effective in improving health outcomes. Future research needs to be directed at refining the accuracy of prediction models and, most importantly, examining ways of turning them into effective clinical tools.</p></div></div></div></div><div class="fm-sec"><div><p>This systematic review was published as a supplement to <a href="/books/n/nicecg67/?report=reader">NICE Clinical Guideline 67, Lipid Modification: Cardiovascular Risk Assessment and the Modification of Blood Lipids for the Primary and Secondary Prevention of Cardiovascular Disease</a></p></div><div>This study was funded by the Policy Research Programme of the UK Department of Health, project number RDD/030/064, and was carried out while PB was being supported by the Wellcome Trust. The views expressed here are those expressed by the authors and not necessarily those of the funding agencies. The funding agencies had no role in the date collection or in the writing of this paper. The guarantor accepts full responsibility for the conduct of the study, had access to the data and controlled the decision to publish.</div><div class="half_rhythm"><a href="/books/about/copyright/">Copyright</a> &#x000a9; 2008, Royal College of General Practitioners.</div><div class="small"><span class="label">Bookshelf ID: NBK55818</span><span class="label">PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/21834196" title="PubMed record of this title" ref="pagearea=meta&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">21834196</a></span></div></div><div class="small-screen-prev"></div><div class="small-screen-next"></div></article></div><div id="jr-scripts"><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/libs.min.js"> </script><script src="/corehtml/pmc/jatsreader/ptpmc_3.22/js/jr.min.js"> </script></div></div>
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