Trends in survival and cause of death in Danish patients with multiple sclerosis
The Danish Multiple Sclerosis Registry contains information about all Danish patients in whom multiple sclerosis has been diagnosed since 1948. The purpose of this study was to analyse trends in survival and causes of death of these patients and to compare them with those of the general population....
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Veröffentlicht in: | Brain (London, England : 1878) England : 1878), 2004-04, Vol.127 (4), p.844-850 |
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description | The Danish Multiple Sclerosis Registry contains information about all Danish patients in whom multiple sclerosis has been diagnosed since 1948. The purpose of this study was to analyse trends in survival and causes of death of these patients and to compare them with those of the general population. The study comprised all patients with onset in the period 1949–1996. All case records were validated and classified according to standardized diagnostic criteria. Data on emigration and death were obtained by record linkage to official registers. The end of follow‐up was 1 January 2000 for emigration and death, and 1 January 1999 for cause‐specific deaths. Standardized mortality ratios and excess death rates were calculated for various causes of death and periods after multiple sclerosis onset, and time trends in survival probability were analysed by Cox regression. The study comprised 9881 patients, of whom 4254 had died before end of follow‐up. The median survival time from onset was ∼10 years shorter for multiple sclerosis patients than for the age‐matched general population, and multiple sclerosis was associated with an almost threefold increase in the risk for death. According to death certificates, more than half (56.4%) of the patients had died from multiple sclerosis. They also had excess mortality rates from other diseases, except cancer, and from accidents and suicide. The probability for survival improved significantly during the observation period. Thus, the 10‐year excess mortality was almost halved in comparison with that in the middle of the 1900s. |
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The purpose of this study was to analyse trends in survival and causes of death of these patients and to compare them with those of the general population. The study comprised all patients with onset in the period 1949–1996. All case records were validated and classified according to standardized diagnostic criteria. Data on emigration and death were obtained by record linkage to official registers. The end of follow‐up was 1 January 2000 for emigration and death, and 1 January 1999 for cause‐specific deaths. Standardized mortality ratios and excess death rates were calculated for various causes of death and periods after multiple sclerosis onset, and time trends in survival probability were analysed by Cox regression. The study comprised 9881 patients, of whom 4254 had died before end of follow‐up. The median survival time from onset was ∼10 years shorter for multiple sclerosis patients than for the age‐matched general population, and multiple sclerosis was associated with an almost threefold increase in the risk for death. According to death certificates, more than half (56.4%) of the patients had died from multiple sclerosis. They also had excess mortality rates from other diseases, except cancer, and from accidents and suicide. The probability for survival improved significantly during the observation period. Thus, the 10‐year excess mortality was almost halved in comparison with that in the middle of the 1900s.</description><identifier>ISSN: 0006-8950</identifier><identifier>ISSN: 1460-2156</identifier><identifier>EISSN: 1460-2156</identifier><identifier>DOI: 10.1093/brain/awh104</identifier><identifier>PMID: 14960501</identifier><identifier>CODEN: BRAIAK</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Adult ; Biological and medical sciences ; cause of death ; Cause of Death - trends ; CI = confidence interval ; Denmark ; Denmark - epidemiology ; EDR = excess death rate ; Epidemiologic Methods ; epidemiology ; Female ; Humans ; ICD = International Classification of Diseases ; Male ; Medical sciences ; Mortality - trends ; multiple sclerosis ; Multiple Sclerosis - mortality ; Neurology ; Sex Distribution ; SMR = standardized mortality ratio ; survival</subject><ispartof>Brain (London, England : 1878), 2004-04, Vol.127 (4), p.844-850</ispartof><rights>2004 INIST-CNRS</rights><rights>Copyright Oxford University Press(England) Apr 2004</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c451t-eaecc00621adf142140de268d41b3279aa6f1ec62608f8fca754214b7238f3033</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15624169$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14960501$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Brønnum‐Hansen, Henrik</creatorcontrib><creatorcontrib>Koch‐Henriksen, Nils</creatorcontrib><creatorcontrib>Stenager, Egon</creatorcontrib><title>Trends in survival and cause of death in Danish patients with multiple sclerosis</title><title>Brain (London, England : 1878)</title><addtitle>Brain</addtitle><description>The Danish Multiple Sclerosis Registry contains information about all Danish patients in whom multiple sclerosis has been diagnosed since 1948. The purpose of this study was to analyse trends in survival and causes of death of these patients and to compare them with those of the general population. The study comprised all patients with onset in the period 1949–1996. All case records were validated and classified according to standardized diagnostic criteria. Data on emigration and death were obtained by record linkage to official registers. The end of follow‐up was 1 January 2000 for emigration and death, and 1 January 1999 for cause‐specific deaths. Standardized mortality ratios and excess death rates were calculated for various causes of death and periods after multiple sclerosis onset, and time trends in survival probability were analysed by Cox regression. The study comprised 9881 patients, of whom 4254 had died before end of follow‐up. The median survival time from onset was ∼10 years shorter for multiple sclerosis patients than for the age‐matched general population, and multiple sclerosis was associated with an almost threefold increase in the risk for death. According to death certificates, more than half (56.4%) of the patients had died from multiple sclerosis. They also had excess mortality rates from other diseases, except cancer, and from accidents and suicide. The probability for survival improved significantly during the observation period. Thus, the 10‐year excess mortality was almost halved in comparison with that in the middle of the 1900s.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>cause of death</subject><subject>Cause of Death - trends</subject><subject>CI = confidence interval</subject><subject>Denmark</subject><subject>Denmark - epidemiology</subject><subject>EDR = excess death rate</subject><subject>Epidemiologic Methods</subject><subject>epidemiology</subject><subject>Female</subject><subject>Humans</subject><subject>ICD = International Classification of Diseases</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Mortality - trends</subject><subject>multiple sclerosis</subject><subject>Multiple Sclerosis - mortality</subject><subject>Neurology</subject><subject>Sex Distribution</subject><subject>SMR = standardized mortality ratio</subject><subject>survival</subject><issn>0006-8950</issn><issn>1460-2156</issn><issn>1460-2156</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U1rFEEQBuBGFLNGb55lEPTkmK7-mpmjJJpVIgpGFC9NbU8323G2Z-2aSfTf2-suBrx4Kqh6KKp4GXsM_CXwTp6sMsZ0gjdr4OoOW4AyvBagzV224Jybuu00P2IPiK44ByWFuc-OQHWGaw4L9vEy-9RTFVNFc76O1zhUmPrK4Uy-GkPVe5zWu_EZpkjraotT9Gmi6iaW_mYeprgdfEVu8HmkSA_ZvYAD-UeHesw-v3l9ebqsLz6cvz19dVE7pWGqPXrnynkCsA-gBCjee2HaXsFKiqZDNAG8M8LwNrTBYaN3aNUI2QbJpTxmz_d7t3n8MXua7CaS88OAyY8z2QYa3apO_xcKroUwoi3w6T_wapxzKk9Y6LRSomtFQS_2yJVvKftgtzluMP-ywO0uD_snD7vPo_Anh53zauP7W3wIoIBnB4DkcAgZk4t067QRCkxXXL13kSb_8-8c83drGtlou_z6zS71-ftP786-WC1_A3Xaoqc</recordid><startdate>20040401</startdate><enddate>20040401</enddate><creator>Brønnum‐Hansen, Henrik</creator><creator>Koch‐Henriksen, Nils</creator><creator>Stenager, Egon</creator><general>Oxford University Press</general><general>Oxford Publishing Limited (England)</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>7QP</scope><scope>7QR</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20040401</creationdate><title>Trends in survival and cause of death in Danish patients with multiple sclerosis</title><author>Brønnum‐Hansen, Henrik ; Koch‐Henriksen, Nils ; Stenager, Egon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-eaecc00621adf142140de268d41b3279aa6f1ec62608f8fca754214b7238f3033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>cause of death</topic><topic>Cause of Death - trends</topic><topic>CI = confidence interval</topic><topic>Denmark</topic><topic>Denmark - epidemiology</topic><topic>EDR = excess death rate</topic><topic>Epidemiologic Methods</topic><topic>epidemiology</topic><topic>Female</topic><topic>Humans</topic><topic>ICD = International Classification of Diseases</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Mortality - trends</topic><topic>multiple sclerosis</topic><topic>Multiple Sclerosis - mortality</topic><topic>Neurology</topic><topic>Sex Distribution</topic><topic>SMR = standardized mortality ratio</topic><topic>survival</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brønnum‐Hansen, Henrik</creatorcontrib><creatorcontrib>Koch‐Henriksen, Nils</creatorcontrib><creatorcontrib>Stenager, Egon</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>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Brain (London, England : 1878)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brønnum‐Hansen, Henrik</au><au>Koch‐Henriksen, Nils</au><au>Stenager, Egon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Trends in survival and cause of death in Danish patients with multiple sclerosis</atitle><jtitle>Brain (London, England : 1878)</jtitle><addtitle>Brain</addtitle><date>2004-04-01</date><risdate>2004</risdate><volume>127</volume><issue>4</issue><spage>844</spage><epage>850</epage><pages>844-850</pages><issn>0006-8950</issn><issn>1460-2156</issn><eissn>1460-2156</eissn><coden>BRAIAK</coden><abstract>The Danish Multiple Sclerosis Registry contains information about all Danish patients in whom multiple sclerosis has been diagnosed since 1948. The purpose of this study was to analyse trends in survival and causes of death of these patients and to compare them with those of the general population. The study comprised all patients with onset in the period 1949–1996. All case records were validated and classified according to standardized diagnostic criteria. Data on emigration and death were obtained by record linkage to official registers. The end of follow‐up was 1 January 2000 for emigration and death, and 1 January 1999 for cause‐specific deaths. Standardized mortality ratios and excess death rates were calculated for various causes of death and periods after multiple sclerosis onset, and time trends in survival probability were analysed by Cox regression. The study comprised 9881 patients, of whom 4254 had died before end of follow‐up. The median survival time from onset was ∼10 years shorter for multiple sclerosis patients than for the age‐matched general population, and multiple sclerosis was associated with an almost threefold increase in the risk for death. According to death certificates, more than half (56.4%) of the patients had died from multiple sclerosis. They also had excess mortality rates from other diseases, except cancer, and from accidents and suicide. The probability for survival improved significantly during the observation period. Thus, the 10‐year excess mortality was almost halved in comparison with that in the middle of the 1900s.</abstract><cop>Oxford</cop><pub>Oxford University Press</pub><pmid>14960501</pmid><doi>10.1093/brain/awh104</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adult Biological and medical sciences cause of death Cause of Death - trends CI = confidence interval Denmark Denmark - epidemiology EDR = excess death rate Epidemiologic Methods epidemiology Female Humans ICD = International Classification of Diseases Male Medical sciences Mortality - trends multiple sclerosis Multiple Sclerosis - mortality Neurology Sex Distribution SMR = standardized mortality ratio survival |
title | Trends in survival and cause of death in Danish patients with multiple sclerosis |
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