La recherche au service de la performance en Santé
La recherche au service de la performance en Santé
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Université Claude Bernard Lyon 1
La recherche au service de la performance en Santé

High-dimensional propensity scores improved the control of indication bias in surgical comparative effectiveness studies

Payet C, Polazzi S, Obadia JF, Armoiry X, Labarère J, Rabilloud M, Duclos A. High-dimensional propensity scores improved the control of indication bias in surgical comparative effectiveness studies. J Clin Epidemiol. 2020 Oct 14;130:78-86. doi: 10.1016/j.jclinepi.2020.10.003. PMID: 33065165.
 
Key findings: High-dimensional propensity score (hdPS) estimations were more consistent with results seen in randomized controlled trials than propensity score (PS) estimations.
What this study adds: This study evaluate the performance of hdPSs for controlling indication bias in surgical comparative effectiveness studies.
What is the implication: The hdPS approach could be used in future comparative effectiveness studies in surgery using nationwide hospital databases
https://pubmed.ncbi.nlm.nih.gov/33065165/ 

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