The SAFE (SGRQ score, air-flow limitation and exercise tolerance) Index: a new composite score for the stratification of severity in chronic obstructive pulmonary disease
Background: This study was proposed to develop a composite of outcome measures using forced expiratory volume percentage of predicted, exercise capacity and quality of life scores for assessment of chronic obstructive pulmonary disease (COPD) severity. Materials and methods: Eighty-six patients with...
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| Veröffentlicht in: | Postgraduate medical journal 2007-07, Vol.83 (981), p.492-497 |
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| creator | Azarisman, Mohd Shah Fauzi, Mohd Anshar Faizal, Mohd Perdaus Ahmad Azami, Zaharim Roslina, Abdul Manap Roslan, Harun |
| description | Background: This study was proposed to develop a composite of outcome measures using forced expiratory volume percentage of predicted, exercise capacity and quality of life scores for assessment of chronic obstructive pulmonary disease (COPD) severity. Materials and methods: Eighty-six patients with COPD were enrolled into a prospective, observational study at the respiratory outpatient clinic, National University Hospital Malaysia (Hospital Universiti Kebangsaan Malaysia - HUKM), Kuala Lumpur. Results: Our study found modest correlation between the forced expiratory volume in 1 s (FEV1), 6 min walk distance and the SGRQ scores with mean (SD) values of 0.97 (0.56) litres/s, 322 (87) m and 43.7 (23.6)%, respectively. K-Means cluster analysis identified four distinct clusters which reached statistical significance which was refined to develop a new cumulative staging system. The SAFE Index score correlated with the number of exacerbations in 2 years (r = 0.497, p |
| doi_str_mv | 10.1136/pgmj.2006.052399 |
| format | Article |
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Materials and methods: Eighty-six patients with COPD were enrolled into a prospective, observational study at the respiratory outpatient clinic, National University Hospital Malaysia (Hospital Universiti Kebangsaan Malaysia - HUKM), Kuala Lumpur. Results: Our study found modest correlation between the forced expiratory volume in 1 s (FEV1), 6 min walk distance and the SGRQ scores with mean (SD) values of 0.97 (0.56) litres/s, 322 (87) m and 43.7 (23.6)%, respectively. K-Means cluster analysis identified four distinct clusters which reached statistical significance which was refined to develop a new cumulative staging system. The SAFE Index score correlated with the number of exacerbations in 2 years (r = 0.497, p<0.001). Conclusion: We have developed the SGRQ, Air-Flow limitation and Exercise tolerance Index (SAFE Index) for the stratification of severity in COPD. This index incorporates the SGRQ score, the FEV1 % predicted and the 6 min walk distance. The SAFE Index is moderately correlated with the number of disease exacerbations.</description><identifier>ISSN: 0032-5473</identifier><identifier>EISSN: 1469-0756</identifier><identifier>DOI: 10.1136/pgmj.2006.052399</identifier><identifier>PMID: 17621621</identifier><language>eng</language><publisher>London: The Fellowship of Postgraduate Medicine</publisher><subject>Aged ; Aged, 80 and over ; Airway management ; Analysis of Variance ; ANOVA ; Asthma ; Biological and medical sciences ; Chronic obstructive pulmonary disease ; Chronic obstructive pulmonary disease, asthma ; Cluster Analysis ; COPD ; Dyspnea ; Exercise ; Exercise Tolerance ; Female ; FEV1 ; FEV1%Pred ; Forced Expiratory Volume - physiology ; forced expiratory volume in 1 s ; forced vital capacity ; FVC ; General aspects ; Global Initiative for Chronic Obstructive Lung Disease ; GOLD ; Health-Related Quality of Life Questionnaire ; Hospitals ; HRQOL ; Humans ; Male ; Medical sciences ; Middle Aged ; Mortality ; Original ; percentage of predicted FEV1 ; Physical fitness ; Pneumology ; Prospective Studies ; Pulmonary Disease, Chronic Obstructive - physiopathology ; QOL ; Quality of Life ; Questionnaires ; SGRQ ; Spirometry ; St George’s Respiratory Questionnaire ; Surveys and Questionnaires</subject><ispartof>Postgraduate medical journal, 2007-07, Vol.83 (981), p.492-497</ispartof><rights>Copyright 2007 The Fellowship of Postgraduate Medicine</rights><rights>2007 INIST-CNRS</rights><rights>Copyright: 2007 Copyright 2007 The Fellowship of Postgraduate Medicine</rights><rights>Copyright © 2007 The Fellowship of Postgraduate Medicine</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-b623t-3f44cf386759932238ce1eb09d5916435e2f06c78c4c04fef2fe56809de02f373</citedby><cites>FETCH-LOGICAL-b623t-3f44cf386759932238ce1eb09d5916435e2f06c78c4c04fef2fe56809de02f373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pmj.bmj.com/content/83/981/492.full.pdf$$EPDF$$P50$$Gbmj$$H</linktopdf><linktohtml>$$Uhttps://pmj.bmj.com/content/83/981/492.full$$EHTML$$P50$$Gbmj$$H</linktohtml><link.rule.ids>114,115,230,314,727,780,784,885,3196,23571,27924,27925,53791,53793,77600,77631</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18887996$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17621621$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Azarisman, Mohd Shah</creatorcontrib><creatorcontrib>Fauzi, Mohd Anshar</creatorcontrib><creatorcontrib>Faizal, Mohd Perdaus Ahmad</creatorcontrib><creatorcontrib>Azami, Zaharim</creatorcontrib><creatorcontrib>Roslina, Abdul Manap</creatorcontrib><creatorcontrib>Roslan, Harun</creatorcontrib><title>The SAFE (SGRQ score, air-flow limitation and exercise tolerance) Index: a new composite score for the stratification of severity in chronic obstructive pulmonary disease</title><title>Postgraduate medical journal</title><addtitle>Postgrad Med J</addtitle><description>Background: This study was proposed to develop a composite of outcome measures using forced expiratory volume percentage of predicted, exercise capacity and quality of life scores for assessment of chronic obstructive pulmonary disease (COPD) severity. Materials and methods: Eighty-six patients with COPD were enrolled into a prospective, observational study at the respiratory outpatient clinic, National University Hospital Malaysia (Hospital Universiti Kebangsaan Malaysia - HUKM), Kuala Lumpur. Results: Our study found modest correlation between the forced expiratory volume in 1 s (FEV1), 6 min walk distance and the SGRQ scores with mean (SD) values of 0.97 (0.56) litres/s, 322 (87) m and 43.7 (23.6)%, respectively. K-Means cluster analysis identified four distinct clusters which reached statistical significance which was refined to develop a new cumulative staging system. The SAFE Index score correlated with the number of exacerbations in 2 years (r = 0.497, p<0.001). Conclusion: We have developed the SGRQ, Air-Flow limitation and Exercise tolerance Index (SAFE Index) for the stratification of severity in COPD. This index incorporates the SGRQ score, the FEV1 % predicted and the 6 min walk distance. The SAFE Index is moderately correlated with the number of disease exacerbations.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Airway management</subject><subject>Analysis of Variance</subject><subject>ANOVA</subject><subject>Asthma</subject><subject>Biological and medical sciences</subject><subject>Chronic obstructive pulmonary disease</subject><subject>Chronic obstructive pulmonary disease, asthma</subject><subject>Cluster Analysis</subject><subject>COPD</subject><subject>Dyspnea</subject><subject>Exercise</subject><subject>Exercise Tolerance</subject><subject>Female</subject><subject>FEV1</subject><subject>FEV1%Pred</subject><subject>Forced Expiratory Volume - physiology</subject><subject>forced expiratory volume in 1 s</subject><subject>forced vital capacity</subject><subject>FVC</subject><subject>General aspects</subject><subject>Global Initiative for Chronic Obstructive Lung Disease</subject><subject>GOLD</subject><subject>Health-Related Quality of Life Questionnaire</subject><subject>Hospitals</subject><subject>HRQOL</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Mortality</subject><subject>Original</subject><subject>percentage of predicted FEV1</subject><subject>Physical fitness</subject><subject>Pneumology</subject><subject>Prospective Studies</subject><subject>Pulmonary Disease, Chronic Obstructive - physiopathology</subject><subject>QOL</subject><subject>Quality of Life</subject><subject>Questionnaires</subject><subject>SGRQ</subject><subject>Spirometry</subject><subject>St George’s Respiratory Questionnaire</subject><subject>Surveys and Questionnaires</subject><issn>0032-5473</issn><issn>1469-0756</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkk9vEzEQxVcIREPhzglZQiAQbPGfXXvNAalEbVJUQNCCuFmOM24cdtfB3k3Tr8SnxNFGLXCpZMmH-c2bN_bLsscEHxDC-JvVRbM8oBjzA1xSJuWdbEQKLnMsSn43G2HMaF4Wgu1lD2JcYkyYKMj9bI8ITkk6o-z3-QLQ2eHxEXpxNvn6BUXjA7xG2oXc1v4S1a5xne6cb5Fu5wg2EIyLgDpfQ9CtgZfopJ3D5i3SqIVLZHyz8tF1MCgh6wPq0ojYhaRinRm0vEUR1hBcd4Vci8wi-NYZ5GeJ603n1oBWfd34VocrNE8DdYSH2T2r6wiPdvd-9u346Hw8zU8_T07Gh6f5jFPW5cwWhbGs4qKUklHKKgMEZljOS0l4wUqgFnMjKlMYXFiw1ELJq1QHTC0TbD97N-iu-lkDcwNt8l6rVXBNcqO8durfSusW6sKvFeUYY0mTwPOdQPC_eoidalw0UNe6Bd9HJTCXNBm7FSRSMEzKKoFP_wOXvg9tegVFREU447IqEoUHygQfYwB77Zlgtc2L2uZFbfOihryklid_73rTsAtIAp7tAB2Nru32z1284aqqElLyxOUD52IHm-u6Dj8VF0yU6tP3sWIf-Y_p9MNEvU_8q4GfJUe32vwDuz_oPA</recordid><startdate>20070701</startdate><enddate>20070701</enddate><creator>Azarisman, Mohd Shah</creator><creator>Fauzi, Mohd Anshar</creator><creator>Faizal, Mohd Perdaus Ahmad</creator><creator>Azami, Zaharim</creator><creator>Roslina, Abdul Manap</creator><creator>Roslan, Harun</creator><general>The Fellowship of Postgraduate Medicine</general><general>BMJ</general><general>Oxford University Press</general><general>BMJ Group</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7TS</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20070701</creationdate><title>The SAFE (SGRQ score, air-flow limitation and exercise tolerance) Index: a new composite score for the stratification of severity in chronic obstructive pulmonary disease</title><author>Azarisman, Mohd Shah ; Fauzi, Mohd Anshar ; Faizal, Mohd Perdaus Ahmad ; Azami, Zaharim ; Roslina, Abdul Manap ; Roslan, Harun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b623t-3f44cf386759932238ce1eb09d5916435e2f06c78c4c04fef2fe56809de02f373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Airway management</topic><topic>Analysis of Variance</topic><topic>ANOVA</topic><topic>Asthma</topic><topic>Biological and medical sciences</topic><topic>Chronic obstructive pulmonary disease</topic><topic>Chronic obstructive pulmonary disease, asthma</topic><topic>Cluster Analysis</topic><topic>COPD</topic><topic>Dyspnea</topic><topic>Exercise</topic><topic>Exercise Tolerance</topic><topic>Female</topic><topic>FEV1</topic><topic>FEV1%Pred</topic><topic>Forced Expiratory Volume - physiology</topic><topic>forced expiratory volume in 1 s</topic><topic>forced vital capacity</topic><topic>FVC</topic><topic>General aspects</topic><topic>Global Initiative for Chronic Obstructive Lung Disease</topic><topic>GOLD</topic><topic>Health-Related Quality of Life Questionnaire</topic><topic>Hospitals</topic><topic>HRQOL</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Mortality</topic><topic>Original</topic><topic>percentage of predicted FEV1</topic><topic>Physical fitness</topic><topic>Pneumology</topic><topic>Prospective Studies</topic><topic>Pulmonary Disease, Chronic Obstructive - physiopathology</topic><topic>QOL</topic><topic>Quality of Life</topic><topic>Questionnaires</topic><topic>SGRQ</topic><topic>Spirometry</topic><topic>St George’s Respiratory Questionnaire</topic><topic>Surveys and Questionnaires</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Azarisman, Mohd Shah</creatorcontrib><creatorcontrib>Fauzi, Mohd Anshar</creatorcontrib><creatorcontrib>Faizal, Mohd Perdaus Ahmad</creatorcontrib><creatorcontrib>Azami, Zaharim</creatorcontrib><creatorcontrib>Roslina, Abdul Manap</creatorcontrib><creatorcontrib>Roslan, Harun</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>Physical Education Index</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Postgraduate medical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Azarisman, Mohd Shah</au><au>Fauzi, Mohd Anshar</au><au>Faizal, Mohd Perdaus Ahmad</au><au>Azami, Zaharim</au><au>Roslina, Abdul Manap</au><au>Roslan, Harun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The SAFE (SGRQ score, air-flow limitation and exercise tolerance) Index: a new composite score for the stratification of severity in chronic obstructive pulmonary disease</atitle><jtitle>Postgraduate medical journal</jtitle><addtitle>Postgrad Med J</addtitle><date>2007-07-01</date><risdate>2007</risdate><volume>83</volume><issue>981</issue><spage>492</spage><epage>497</epage><pages>492-497</pages><issn>0032-5473</issn><eissn>1469-0756</eissn><abstract>Background: This study was proposed to develop a composite of outcome measures using forced expiratory volume percentage of predicted, exercise capacity and quality of life scores for assessment of chronic obstructive pulmonary disease (COPD) severity. Materials and methods: Eighty-six patients with COPD were enrolled into a prospective, observational study at the respiratory outpatient clinic, National University Hospital Malaysia (Hospital Universiti Kebangsaan Malaysia - HUKM), Kuala Lumpur. Results: Our study found modest correlation between the forced expiratory volume in 1 s (FEV1), 6 min walk distance and the SGRQ scores with mean (SD) values of 0.97 (0.56) litres/s, 322 (87) m and 43.7 (23.6)%, respectively. K-Means cluster analysis identified four distinct clusters which reached statistical significance which was refined to develop a new cumulative staging system. The SAFE Index score correlated with the number of exacerbations in 2 years (r = 0.497, p<0.001). Conclusion: We have developed the SGRQ, Air-Flow limitation and Exercise tolerance Index (SAFE Index) for the stratification of severity in COPD. This index incorporates the SGRQ score, the FEV1 % predicted and the 6 min walk distance. The SAFE Index is moderately correlated with the number of disease exacerbations.</abstract><cop>London</cop><pub>The Fellowship of Postgraduate Medicine</pub><pmid>17621621</pmid><doi>10.1136/pgmj.2006.052399</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Aged, 80 and over Airway management Analysis of Variance ANOVA Asthma Biological and medical sciences Chronic obstructive pulmonary disease Chronic obstructive pulmonary disease, asthma Cluster Analysis COPD Dyspnea Exercise Exercise Tolerance Female FEV1 FEV1%Pred Forced Expiratory Volume - physiology forced expiratory volume in 1 s forced vital capacity FVC General aspects Global Initiative for Chronic Obstructive Lung Disease GOLD Health-Related Quality of Life Questionnaire Hospitals HRQOL Humans Male Medical sciences Middle Aged Mortality Original percentage of predicted FEV1 Physical fitness Pneumology Prospective Studies Pulmonary Disease, Chronic Obstructive - physiopathology QOL Quality of Life Questionnaires SGRQ Spirometry St George’s Respiratory Questionnaire Surveys and Questionnaires |
| title | The SAFE (SGRQ score, air-flow limitation and exercise tolerance) Index: a new composite score for the stratification of severity in chronic obstructive pulmonary disease |
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