Coded Cause of Death and Timing of COPD Diagnosis
The aims of this study were to characterize causes of death among veterans with COPD using multiple cause of death coding, and to examine whether causes of death differed according to timing of COPD diagnosis. Veterans with COPD who died during a five-year follow-up period were identified from natio...
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Veröffentlicht in: | Chronic obstructive pulmonary disease 2009-02, Vol.6 (1), p.41-47 |
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description | The aims of this study were to characterize causes of death among veterans with COPD using multiple cause of death coding, and to examine whether causes of death differed according to timing of COPD diagnosis. Veterans with COPD who died during a five-year follow-up period were identified from national VA databases linked to National Death Index files. Primary, secondary, underlying, and all-coded causes of death were compared between recent and preexistent COPD cohorts using proportional mortality ratios (PMRs), which compares proportion dying from specific causes as opposed to absolute risk of death. Of 26,357 decedents, 7,729 were categorized preexistent and 18,628 were recent COPD cases. Unspecified COPD was listed as underlying cause of death in a significantly greater proportion of preexistent COPD cases compared to recent cases, 20% vs 10%, PMR = 2.0 (95% CI: 1.9-2.1). A relatively higher proportion of recently diagnosed cases died from lung/bronchus, prostate, and site-unspecified cancers. Respiratory failure (J969) was rarely coded as an underlying or primary cause (< 1%), but was a second-code cause of death in 9% of recent and 12% of preexistent cases. Differences in coded causes of death between patients with a recent diagnosis of COPD compared to a preexistent diagnosis of COPD suggests that there is either coded cause-related bias or true differences in cause of death related to length of time with diagnosis. Thus, methods used to identify cohorts of COPD patients, i.e., incidence versus prevalence-based approaches, and coded cause of death can affect estimates of cause-specific mortality. |
doi_str_mv | 10.1080/15412550802587935 |
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Simon ; Jung, Eunmi ; Bartle, Brian ; Weiss, Kevin B. ; Lee, Todd A.</creator><creatorcontrib>Pickard, A. Simon ; Jung, Eunmi ; Bartle, Brian ; Weiss, Kevin B. ; Lee, Todd A.</creatorcontrib><description>The aims of this study were to characterize causes of death among veterans with COPD using multiple cause of death coding, and to examine whether causes of death differed according to timing of COPD diagnosis. Veterans with COPD who died during a five-year follow-up period were identified from national VA databases linked to National Death Index files. Primary, secondary, underlying, and all-coded causes of death were compared between recent and preexistent COPD cohorts using proportional mortality ratios (PMRs), which compares proportion dying from specific causes as opposed to absolute risk of death. Of 26,357 decedents, 7,729 were categorized preexistent and 18,628 were recent COPD cases. Unspecified COPD was listed as underlying cause of death in a significantly greater proportion of preexistent COPD cases compared to recent cases, 20% vs 10%, PMR = 2.0 (95% CI: 1.9-2.1). A relatively higher proportion of recently diagnosed cases died from lung/bronchus, prostate, and site-unspecified cancers. Respiratory failure (J969) was rarely coded as an underlying or primary cause (< 1%), but was a second-code cause of death in 9% of recent and 12% of preexistent cases. Differences in coded causes of death between patients with a recent diagnosis of COPD compared to a preexistent diagnosis of COPD suggests that there is either coded cause-related bias or true differences in cause of death related to length of time with diagnosis. Thus, methods used to identify cohorts of COPD patients, i.e., incidence versus prevalence-based approaches, and coded cause of death can affect estimates of cause-specific mortality.</description><identifier>ISSN: 1541-2555</identifier><identifier>EISSN: 1541-2563</identifier><identifier>DOI: 10.1080/15412550802587935</identifier><identifier>PMID: 19229707</identifier><language>eng</language><publisher>Philadelphia, PA: Informa UK Ltd</publisher><subject>Aged ; Biological and medical sciences ; Cause of Death ; Chronic Obstructive Pulmonary Disease ; Chronic obstructive pulmonary disease, asthma ; COPD ; Humans ; International Classification of Diseases ; Medical sciences ; Mortality ; Pneumology ; Pulmonary Disease, Chronic Obstructive - complications ; Pulmonary Disease, Chronic Obstructive - diagnosis ; Pulmonary Disease, Chronic Obstructive - mortality ; United States - epidemiology ; Veterans</subject><ispartof>Chronic obstructive pulmonary disease, 2009-02, Vol.6 (1), p.41-47</ispartof><rights>2009 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted 2009</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c429t-122007d0f6c9645bc94d5b2924e91d5b4e1c68de1a6536c7272af412efa372453</cites></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=21190107$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19229707$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pickard, A. Simon</creatorcontrib><creatorcontrib>Jung, Eunmi</creatorcontrib><creatorcontrib>Bartle, Brian</creatorcontrib><creatorcontrib>Weiss, Kevin B.</creatorcontrib><creatorcontrib>Lee, Todd A.</creatorcontrib><title>Coded Cause of Death and Timing of COPD Diagnosis</title><title>Chronic obstructive pulmonary disease</title><addtitle>COPD</addtitle><description>The aims of this study were to characterize causes of death among veterans with COPD using multiple cause of death coding, and to examine whether causes of death differed according to timing of COPD diagnosis. Veterans with COPD who died during a five-year follow-up period were identified from national VA databases linked to National Death Index files. Primary, secondary, underlying, and all-coded causes of death were compared between recent and preexistent COPD cohorts using proportional mortality ratios (PMRs), which compares proportion dying from specific causes as opposed to absolute risk of death. Of 26,357 decedents, 7,729 were categorized preexistent and 18,628 were recent COPD cases. Unspecified COPD was listed as underlying cause of death in a significantly greater proportion of preexistent COPD cases compared to recent cases, 20% vs 10%, PMR = 2.0 (95% CI: 1.9-2.1). A relatively higher proportion of recently diagnosed cases died from lung/bronchus, prostate, and site-unspecified cancers. Respiratory failure (J969) was rarely coded as an underlying or primary cause (< 1%), but was a second-code cause of death in 9% of recent and 12% of preexistent cases. Differences in coded causes of death between patients with a recent diagnosis of COPD compared to a preexistent diagnosis of COPD suggests that there is either coded cause-related bias or true differences in cause of death related to length of time with diagnosis. Thus, methods used to identify cohorts of COPD patients, i.e., incidence versus prevalence-based approaches, and coded cause of death can affect estimates of cause-specific mortality.</description><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Cause of Death</subject><subject>Chronic Obstructive Pulmonary Disease</subject><subject>Chronic obstructive pulmonary disease, asthma</subject><subject>COPD</subject><subject>Humans</subject><subject>International Classification of Diseases</subject><subject>Medical sciences</subject><subject>Mortality</subject><subject>Pneumology</subject><subject>Pulmonary Disease, Chronic Obstructive - complications</subject><subject>Pulmonary Disease, Chronic Obstructive - diagnosis</subject><subject>Pulmonary Disease, Chronic Obstructive - mortality</subject><subject>United States - epidemiology</subject><subject>Veterans</subject><issn>1541-2555</issn><issn>1541-2563</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEtPwzAQhC0EouXxA7igXOAW8CNOasEFpbykSuVQztbWcVpXSVzsRKj_HpeWIoTU045W36x2BqELgm8IHuBbwhNCOQ-S8kEmGD9A_fUupjxlhzvNeQ-deL_AAUsYP0Y9IigVGc76iOS20EWUQ-d1ZMtoqKGdR9AU0cTUppmtd_n4bRgNDcwa640_Q0clVF6fb-cpen96nOQv8Wj8_Jo_jGKVUNHGhFKMswKXqRJpwqdKJAWfUkETLUhQiSYqHRSaQMpZqjKaUShDHF0Cy2jC2Sm63txdOvvRad_K2nilqwoabTsv01SwjFAcQLIBlbPeO13KpTM1uJUkWK57kv96Cp7L7fFuWuvi17EtJgBXWwC8gqp00CjjdxwlRGDyzd1vONOU1tXwaV1VyBZWlXU_Jrbvj7s_9rmGqp0rcFoubOeaUPCeFF_4g5E9</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Pickard, A. 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Simon</creatorcontrib><creatorcontrib>Jung, Eunmi</creatorcontrib><creatorcontrib>Bartle, Brian</creatorcontrib><creatorcontrib>Weiss, Kevin B.</creatorcontrib><creatorcontrib>Lee, Todd A.</creatorcontrib><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>MEDLINE - Academic</collection><jtitle>Chronic obstructive pulmonary disease</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pickard, A. Simon</au><au>Jung, Eunmi</au><au>Bartle, Brian</au><au>Weiss, Kevin B.</au><au>Lee, Todd A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coded Cause of Death and Timing of COPD Diagnosis</atitle><jtitle>Chronic obstructive pulmonary disease</jtitle><addtitle>COPD</addtitle><date>2009-02-01</date><risdate>2009</risdate><volume>6</volume><issue>1</issue><spage>41</spage><epage>47</epage><pages>41-47</pages><issn>1541-2555</issn><eissn>1541-2563</eissn><abstract>The aims of this study were to characterize causes of death among veterans with COPD using multiple cause of death coding, and to examine whether causes of death differed according to timing of COPD diagnosis. Veterans with COPD who died during a five-year follow-up period were identified from national VA databases linked to National Death Index files. Primary, secondary, underlying, and all-coded causes of death were compared between recent and preexistent COPD cohorts using proportional mortality ratios (PMRs), which compares proportion dying from specific causes as opposed to absolute risk of death. Of 26,357 decedents, 7,729 were categorized preexistent and 18,628 were recent COPD cases. Unspecified COPD was listed as underlying cause of death in a significantly greater proportion of preexistent COPD cases compared to recent cases, 20% vs 10%, PMR = 2.0 (95% CI: 1.9-2.1). A relatively higher proportion of recently diagnosed cases died from lung/bronchus, prostate, and site-unspecified cancers. Respiratory failure (J969) was rarely coded as an underlying or primary cause (< 1%), but was a second-code cause of death in 9% of recent and 12% of preexistent cases. Differences in coded causes of death between patients with a recent diagnosis of COPD compared to a preexistent diagnosis of COPD suggests that there is either coded cause-related bias or true differences in cause of death related to length of time with diagnosis. Thus, methods used to identify cohorts of COPD patients, i.e., incidence versus prevalence-based approaches, and coded cause of death can affect estimates of cause-specific mortality.</abstract><cop>Philadelphia, PA</cop><pub>Informa UK Ltd</pub><pmid>19229707</pmid><doi>10.1080/15412550802587935</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Aged Biological and medical sciences Cause of Death Chronic Obstructive Pulmonary Disease Chronic obstructive pulmonary disease, asthma COPD Humans International Classification of Diseases Medical sciences Mortality Pneumology Pulmonary Disease, Chronic Obstructive - complications Pulmonary Disease, Chronic Obstructive - diagnosis Pulmonary Disease, Chronic Obstructive - mortality United States - epidemiology Veterans |
title | Coded Cause of Death and Timing of COPD Diagnosis |
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