Cochrane Reviews has issued an editor's statement about the mask-wearing paper that has been getting so much attention lately.

Below, the statement, in which they both endeavor to clarify the implications of the study and take responsibility for the poor initial job of public communication.

https://www.cochrane.org/news/statement-physical-interventions-interrupt-or-reduce-spread-respiratory-viruses-review

Statement on 'Physical interventions to interrupt or reduce the spread of respiratory viruses' review

This sort of post-publication clarification is a valuable service, and indeed it's not the first time that such as has been necessary for a paper about the efficacy of masks.

A 2020 paper in the New England Journal of Medicine was so frequently misrepresented by anti-mask commentators that it now carries the following editor's note prominently at the top of the article webpage.

https://www.nejm.org/doi/full/10.1056/nejmp2006372

One place where Cochrane can improve is to follow The New England Journal's lead and prominently link the editor's statement to the article webpage.

At present, there is no mention of the statement on that page. Hopefully this is a temporary oversight that will be quickly remedied.

https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub6/full

@ct_bergstrom It feels like they are closing the barn door after the horse ran out. Lots of folks have the misconception now, and it’s causing more harm that should have been avoided. To undo the misconception will take a lot more effort than posting an errata.
@ct_bergstrom A large part of the problem is that evidence-based medicine builds in type of default thinking: interventions are presumed harmful until a RCT proves them beneficial. It's similar to what Sander Greenland calls "Nullism" but ramped up even further.
https://intemittdefault.wordpress.com/2021/07/10/evidence-decisions-and-default-reasoning/
Evidence, decisions, and default reasoning

Not my default

@ct_bergstrom

Per comment here:
https://mastodon.social/@mmalc/110001456483664404

Too little, too late.

This could have been addressed immediately, and better headed off prior to publication. The damage has been done.

@ct_bergstrom They really botched this one. I appreciate their correction, though it strikes as both too opaque and too weak to meet the moment; Tufekci’s phrasing here gets to the heart of it far more crisply:
https://hachyderm.io/@inthehands/110001325490099248
Paul Cantrell (@[email protected])

The buried lede: “What we learn from the Cochrane review is that, especially before the pandemic, distributing masks didn’t lead people to wear them, which is why their effect on transmission couldn’t be confidently evaluated.” That — THAT — is the big huge earth-shattering “mASks dON’t WoRk!!1!” research you’ve been hearing so much about. https://mstdn.social/@palafo/110001185320046756

Hachyderm.io