Sequential Cohort Design Applying Propensity Score Matching to Analyze the Comparative Effectiveness of Atorvastatin and Simvastatin in Preventing Cardiovascular Events

BACKGROUND: Sequential cohort design (SCD) applying matching for propensity scores (PS) in accrual periods has been proposed to mitigate bias caused by channeling when calendar time is a proxy for strong confounders. We studied the channeling of patients according to atorvastatin and simvastatin ini...

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Main Authors: Helin-Salmivaara, Arja, Lavikainen, Piia, Aarnio, Emma, Huupponen, Risto, Korhonen, Maarit Jaana
Formato: Artigo
Idioma:Inglês
Publicado: Public Library of Science 2014
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Research Article
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC3948677/
https://ncbi.nlm.nih.gov/pubmed/24614626
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0090325
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