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ColoVT82

Joined: 01/01/2005 Posts: 9973
Likes: 6772


Does ANYBODY have a RCT that has different findings, re: masks?


Im looking. Can not find any RCT (Random controled trials) that disputes this "study of studies"

Why am i not surprised? Excerpt:

" Face mask...

In our systematic review, we identified 10 RCTs that reported estimates of the effectiveness of face masks in reducing laboratory-confirmed influenza virus infections in the community from literature published during 1946–July 27, 2018. In pooled analysis, we found no significant reduction in influenza transmission with the use of face masks (RR 0.78, 95% CI 0.51–1.20; I2 = 30%, p = 0.25) (Figure 2). One study evaluated the use of masks among pilgrims from Australia during the Hajj pilgrimage and reported no major difference in the risk for laboratory-confirmed influenza virus infection in the control or mask group (33). Two studies in university settings assessed the effectiveness of face masks for primary protection by monitoring the incidence of laboratory-confirmed influenza among student hall residents for 5 months (9,10). The overall reduction in ILI or laboratory-confirmed influenza cases in the face mask group was not significant in either studies (9,10)...."

Read more if interested in the science, confidence intervals, etc.

Link: Nonpharmaceutical Measures....


Posted: 07/03/2020 at 2:37PM



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