Sunday, October 08, 2023

Mask research by the CDC--inaccurate

"The CDC's Morbidity and Mortality Weekly Report, which is widely cited but not externally peer-reviewed, serially exaggerated the evidence for mask-wearing among 77 such outside studies it published, according to an independent review by epidemiologists at the University of California San Francisco, the system's health sciences campus.

Just 14% of MMWR studies reached statistical significance and 30% actually studied mask effectiveness. Yet three-quarters concluded that masks were effective, authors Tracy Beth Hoeg, Alyson Haslam and Vinay Prasad wrote in the peer-reviewed American Journal of Medicine, the official journal of a consortium of five associations in academic internal medicine.
None of the 77 was randomized, the strongest form of evidence, and just one study each "used causal language appropriately" ("particle filtration on mannequins") or "cited conflicting evidence" (mostly about influenza), they wrote. "The level of evidence generated was low and the conclusions were most often unsupported by the data." "

This is not called science it's called an agenda.

No comments: