ebm.bmj

How methodological pitfalls have created widespread misunderstanding about long COVID

The existing epidemiological research on long COVID has suffered from overly broad case definitions and a striking absence of control groups, which have led to distortion of risk. The unintended ...
ebm.bmj

Using Risk of Bias 2 to assess results from randomised controlled trials: guidance from ...

Correspondence to Dr Kerry Dwan, Centre for Reviews and Dissemination, University of York, York, UK; Kerry.dwan{at}york.ac.uk A systematic review identifies, appraises and synthesises all the ...
ebm.bmj

Alcohol and atrial fibrillation: to or not to drink?

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be ...
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Diet–heart disease hypothesis is unaffected by results of analysis of recovered data from ...

Correspondence to: Professor Murray Skeaff, Department of Human Nutrition, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand; murray.skeaff{at}otago.ac.nz ...
ebm.bmj

Estimates of the minimal important difference to evaluate the clinical significance of ...

The efficacy of antidepressants in the acute treatment of moderate-to-severe depression remains a controversial issue. The minimal important difference (MID) is relevant to judge the clinical ...
ebm.bmj

Reconsidering the role of tramadol in chronic pain management

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