Impact of Statin Adherence on Cardiovascular Morbidity and All-Cause Mortality in the Primary Prevention of Cardiovascular Disease: A Population-Based Cohort Study in Finland

Abstract Objectives To assess the extent to which adherence to statins is associated with the incidence of cardiovascular (CV) events and all-cause mortality in the primary prevention of CV diseases and whether different analytical approaches influence the observed associations. Methods This populat...

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Veröffentlicht in:Value in health 2015-09, Vol.18 (6), p.896-905
Hauptverfasser: Rannanheimo, Piia K., MSc(Pharm), Tiittanen, Pekka, MSc, Hartikainen, Juha, MD, Helin-Salmivaara, Arja, MD, PhD, Huupponen, Risto, MD, Vahtera, Jussi, MD, Korhonen, Maarit Jaana, LicSc(Pharm), PhD
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container_issue 6
container_start_page 896
container_title Value in health
container_volume 18
creator Rannanheimo, Piia K., MSc(Pharm)
Tiittanen, Pekka, MSc
Hartikainen, Juha, MD
Helin-Salmivaara, Arja, MD, PhD
Huupponen, Risto, MD
Vahtera, Jussi, MD
Korhonen, Maarit Jaana, LicSc(Pharm), PhD
description Abstract Objectives To assess the extent to which adherence to statins is associated with the incidence of cardiovascular (CV) events and all-cause mortality in the primary prevention of CV diseases and whether different analytical approaches influence the observed associations. Methods This population-based cohort study used data from Finnish registers. The cohort included 97,575 new statin users aged 45 to 75 years in 2001 to 2004 with no CV diseases at baseline. Exposure was defined as adherence to statins (proportion of days covered [PDC]). The primary outcome was any CV event or death during a 3-year follow-up. Different analytical approaches, including multivariable-adjusted Cox regression, inverse probability weighting with time-varying adherence, and propensity score calibration, were used. Results During the first year of follow-up, 53% displayed good (PDC ≥80%), 26% had intermediate (PDC 40%–79%), and 21% exhibited poor (PDC
doi_str_mv 10.1016/j.jval.2015.06.002
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Methods This population-based cohort study used data from Finnish registers. The cohort included 97,575 new statin users aged 45 to 75 years in 2001 to 2004 with no CV diseases at baseline. Exposure was defined as adherence to statins (proportion of days covered [PDC]). The primary outcome was any CV event or death during a 3-year follow-up. Different analytical approaches, including multivariable-adjusted Cox regression, inverse probability weighting with time-varying adherence, and propensity score calibration, were used. Results During the first year of follow-up, 53% displayed good (PDC ≥80%), 26% had intermediate (PDC 40%–79%), and 21% exhibited poor (PDC &lt;40%) adherence. After adjustment for sociodemographic and clinical covariates, a 25% relative risk reduction (hazard ratio [HR] 0.75; 95% confidence interval [CI] 0.71–0.79) was observed in the rate of any CV event or death among good versus poor adherers. Good adherers also had a lower incidence than poor adherers of acute coronary syndrome (HR 0.56; 95% CI 0.49–0.65) and acute cerebrovascular disease events (HR 0.67; 95% CI 0.60–0.76). The different analytical approaches achieved comparable results for all the outcomes. Conclusions The incidence of CV events and mortality was higher in poor versus good adherers. Different analytical methods that took into account changes in adherence and confounding at baseline did not appreciably affect the results.</description><identifier>ISSN: 1098-3015</identifier><identifier>EISSN: 1524-4733</identifier><identifier>DOI: 10.1016/j.jval.2015.06.002</identifier><identifier>PMID: 26409618</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Aged ; cardiovascular disease ; Cardiovascular Diseases - diagnosis ; Cardiovascular Diseases - mortality ; Cardiovascular Diseases - prevention &amp; control ; Cause of Death ; Dyslipidemias - diagnosis ; Dyslipidemias - drug therapy ; Dyslipidemias - mortality ; Female ; Finland - epidemiology ; healthy adherer effect ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use ; Incidence ; Internal Medicine ; Male ; Medication Adherence ; Middle Aged ; Multivariate Analysis ; Primary Prevention - methods ; Propensity Score ; Proportional Hazards Models ; Registries ; Retrospective Studies ; Risk Assessment ; Risk Factors ; statins ; Time Factors ; Treatment Outcome</subject><ispartof>Value in health, 2015-09, Vol.18 (6), p.896-905</ispartof><rights>2015</rights><rights>Copyright © 2015. Published by Elsevier Inc.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5062-567f4981600a727698f316184cddd4a6f42c727f34a335078b9be37df76c67d23</citedby><cites>FETCH-LOGICAL-c5062-567f4981600a727698f316184cddd4a6f42c727f34a335078b9be37df76c67d23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jval.2015.06.002$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26409618$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Rannanheimo, Piia K., MSc(Pharm)</creatorcontrib><creatorcontrib>Tiittanen, Pekka, MSc</creatorcontrib><creatorcontrib>Hartikainen, Juha, MD</creatorcontrib><creatorcontrib>Helin-Salmivaara, Arja, MD, PhD</creatorcontrib><creatorcontrib>Huupponen, Risto, MD</creatorcontrib><creatorcontrib>Vahtera, Jussi, MD</creatorcontrib><creatorcontrib>Korhonen, Maarit Jaana, LicSc(Pharm), PhD</creatorcontrib><title>Impact of Statin Adherence on Cardiovascular Morbidity and All-Cause Mortality in the Primary Prevention of Cardiovascular Disease: A Population-Based Cohort Study in Finland</title><title>Value in health</title><addtitle>Value Health</addtitle><description>Abstract Objectives To assess the extent to which adherence to statins is associated with the incidence of cardiovascular (CV) events and all-cause mortality in the primary prevention of CV diseases and whether different analytical approaches influence the observed associations. Methods This population-based cohort study used data from Finnish registers. The cohort included 97,575 new statin users aged 45 to 75 years in 2001 to 2004 with no CV diseases at baseline. Exposure was defined as adherence to statins (proportion of days covered [PDC]). The primary outcome was any CV event or death during a 3-year follow-up. Different analytical approaches, including multivariable-adjusted Cox regression, inverse probability weighting with time-varying adherence, and propensity score calibration, were used. Results During the first year of follow-up, 53% displayed good (PDC ≥80%), 26% had intermediate (PDC 40%–79%), and 21% exhibited poor (PDC &lt;40%) adherence. After adjustment for sociodemographic and clinical covariates, a 25% relative risk reduction (hazard ratio [HR] 0.75; 95% confidence interval [CI] 0.71–0.79) was observed in the rate of any CV event or death among good versus poor adherers. Good adherers also had a lower incidence than poor adherers of acute coronary syndrome (HR 0.56; 95% CI 0.49–0.65) and acute cerebrovascular disease events (HR 0.67; 95% CI 0.60–0.76). The different analytical approaches achieved comparable results for all the outcomes. Conclusions The incidence of CV events and mortality was higher in poor versus good adherers. 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Tiittanen, Pekka, MSc ; Hartikainen, Juha, MD ; Helin-Salmivaara, Arja, MD, PhD ; Huupponen, Risto, MD ; Vahtera, Jussi, MD ; Korhonen, Maarit Jaana, LicSc(Pharm), PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5062-567f4981600a727698f316184cddd4a6f42c727f34a335078b9be37df76c67d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Aged</topic><topic>cardiovascular disease</topic><topic>Cardiovascular Diseases - diagnosis</topic><topic>Cardiovascular Diseases - mortality</topic><topic>Cardiovascular Diseases - prevention &amp; control</topic><topic>Cause of Death</topic><topic>Dyslipidemias - diagnosis</topic><topic>Dyslipidemias - drug therapy</topic><topic>Dyslipidemias - mortality</topic><topic>Female</topic><topic>Finland - epidemiology</topic><topic>healthy adherer effect</topic><topic>Humans</topic><topic>Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use</topic><topic>Incidence</topic><topic>Internal Medicine</topic><topic>Male</topic><topic>Medication Adherence</topic><topic>Middle Aged</topic><topic>Multivariate Analysis</topic><topic>Primary Prevention - methods</topic><topic>Propensity Score</topic><topic>Proportional Hazards Models</topic><topic>Registries</topic><topic>Retrospective Studies</topic><topic>Risk Assessment</topic><topic>Risk Factors</topic><topic>statins</topic><topic>Time Factors</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rannanheimo, Piia K., MSc(Pharm)</creatorcontrib><creatorcontrib>Tiittanen, Pekka, MSc</creatorcontrib><creatorcontrib>Hartikainen, Juha, MD</creatorcontrib><creatorcontrib>Helin-Salmivaara, Arja, MD, PhD</creatorcontrib><creatorcontrib>Huupponen, Risto, MD</creatorcontrib><creatorcontrib>Vahtera, Jussi, MD</creatorcontrib><creatorcontrib>Korhonen, Maarit Jaana, LicSc(Pharm), PhD</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</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>Value in health</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rannanheimo, Piia K., MSc(Pharm)</au><au>Tiittanen, Pekka, MSc</au><au>Hartikainen, Juha, MD</au><au>Helin-Salmivaara, Arja, MD, PhD</au><au>Huupponen, Risto, MD</au><au>Vahtera, Jussi, MD</au><au>Korhonen, Maarit Jaana, LicSc(Pharm), PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of Statin Adherence on Cardiovascular Morbidity and All-Cause Mortality in the Primary Prevention of Cardiovascular Disease: A Population-Based Cohort Study in Finland</atitle><jtitle>Value in health</jtitle><addtitle>Value Health</addtitle><date>2015-09-01</date><risdate>2015</risdate><volume>18</volume><issue>6</issue><spage>896</spage><epage>905</epage><pages>896-905</pages><issn>1098-3015</issn><eissn>1524-4733</eissn><abstract>Abstract Objectives To assess the extent to which adherence to statins is associated with the incidence of cardiovascular (CV) events and all-cause mortality in the primary prevention of CV diseases and whether different analytical approaches influence the observed associations. Methods This population-based cohort study used data from Finnish registers. The cohort included 97,575 new statin users aged 45 to 75 years in 2001 to 2004 with no CV diseases at baseline. Exposure was defined as adherence to statins (proportion of days covered [PDC]). The primary outcome was any CV event or death during a 3-year follow-up. Different analytical approaches, including multivariable-adjusted Cox regression, inverse probability weighting with time-varying adherence, and propensity score calibration, were used. Results During the first year of follow-up, 53% displayed good (PDC ≥80%), 26% had intermediate (PDC 40%–79%), and 21% exhibited poor (PDC &lt;40%) adherence. After adjustment for sociodemographic and clinical covariates, a 25% relative risk reduction (hazard ratio [HR] 0.75; 95% confidence interval [CI] 0.71–0.79) was observed in the rate of any CV event or death among good versus poor adherers. Good adherers also had a lower incidence than poor adherers of acute coronary syndrome (HR 0.56; 95% CI 0.49–0.65) and acute cerebrovascular disease events (HR 0.67; 95% CI 0.60–0.76). The different analytical approaches achieved comparable results for all the outcomes. Conclusions The incidence of CV events and mortality was higher in poor versus good adherers. Different analytical methods that took into account changes in adherence and confounding at baseline did not appreciably affect the results.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>26409618</pmid><doi>10.1016/j.jval.2015.06.002</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Elsevier ScienceDirect Journals; EZB-FREE-00999 freely available EZB journals
subjects Aged
cardiovascular disease
Cardiovascular Diseases - diagnosis
Cardiovascular Diseases - mortality
Cardiovascular Diseases - prevention & control
Cause of Death
Dyslipidemias - diagnosis
Dyslipidemias - drug therapy
Dyslipidemias - mortality
Female
Finland - epidemiology
healthy adherer effect
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use
Incidence
Internal Medicine
Male
Medication Adherence
Middle Aged
Multivariate Analysis
Primary Prevention - methods
Propensity Score
Proportional Hazards Models
Registries
Retrospective Studies
Risk Assessment
Risk Factors
statins
Time Factors
Treatment Outcome
title Impact of Statin Adherence on Cardiovascular Morbidity and All-Cause Mortality in the Primary Prevention of Cardiovascular Disease: A Population-Based Cohort Study in Finland
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