Eur J Epidemiol (2017) 32:473–475 DOI 10.1007/s10654-017-0293-4 COMMENTARY 1 1 Jeremy A. Labrecque Sonja A. Swanson Received: 22 July 2017 / Accepted: 27 July 2017 / Published online: 2 August 2017 The Author(s) 2017. This article is an open access publication Observational epidemiology is continually held to the well-speciﬁed target trial and show how common analytic standard of randomized trials. A typical epidemiology approaches would be inappropriate. article references previous trials in the introduction (or Indeed, as others have also highlighted (e.g., [1–5]), reasons why trials are not feasible) and, when possible, emulating a target trial (and the formal causal frameworks compares the results to previous trials in the discussion. it is compatible with) can help researchers identify and When the results from an observational study and trial avoid unnecessary biases and provide a clear means for disagree, we nearly always begin by questioning the for- articulating the tradeoffs we may need to make in our mer. Curiously, the methods section of an observational observational studies. Unfortunately, we cannot always study—an undeniably crucial part of an article—rarely emulate the core elements of an ideal trial: it is usually not references trial methods or designs. Explicit target trial possible to
European Journal of Epidemiology – Springer Journals
Published: Aug 2, 2017
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