Sequential cohort design applying propensity score matching to analyze the comparative effectiveness of atorvastatin and simvastatin in preventing cardiovascular events.

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 initiation in F...

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Main Authors: Arja Helin-Salmivaara, Piia Lavikainen, Emma Aarnio, Risto Huupponen, Maarit Jaana Korhonen
Format: Artigo
Jezik:Inglês
Izdano: Public Library of Science (PLoS) 2014-01-01
Serija:PLoS ONE
Online dostop:http://europepmc.org/articles/PMC3948677?pdf=render
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