Lezilebovich Posted February 23 Share Posted February 23 Izašlo istraživanje respektabilnog izvora koje kaže, manje-više, da maske i nisu neka baš prevencija - https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub6/full Quote Medical/surgical masks compared to no masks We included 12 trials (10 cluster‐RCTs) comparing medical/surgical masks versus no masks to prevent the spread of viral respiratory illness (two trials with healthcare workers and 10 in the community). Wearing masks in the community probably makes little or no difference to the outcome of influenza‐like illness (ILI)/COVID‐19 like illness compared to not wearing masks (risk ratio (RR) 0.95, 95% confidence interval (CI) 0.84 to 1.09; 9 trials, 276,917 participants; moderate‐certainty evidence. Wearing masks in the community probably makes little or no difference to the outcome of laboratory‐confirmed influenza/SARS‐CoV‐2 compared to not wearing masks (RR 1.01, 95% CI 0.72 to 1.42; 6 trials, 13,919 participants; moderate‐certainty evidence). Harms were rarely measured and poorly reported (very low‐certainty evidence). Kritika metodologije - https://www.vox.com/future-perfect/2023/2/22/23609499/masks-covid-coronavirus-cochrane-review-pandemic-science-studies-infection Quote Link to comment
Have_Fun Posted February 23 Share Posted February 23 (edited) Nisam kliknuo na link, ali iz priloženog, deluje da pišu o hirurškim maskama, ne fpp maskama Za hirurške znamo da nemaju istu zaštitu kao fpp Edited February 23 by Have_Fun 1 Quote Link to comment
gospa buba Posted February 23 Share Posted February 23 o kad pre dan kad treba opet da pricham o difuziji kroz poroznu sredinu sent from bash mnogo dobar novi bubamoto Quote Link to comment
Indy Posted February 23 Share Posted February 23 4 hours ago, Have_Fun said: Nisam kliknuo na link, ali iz priloženog, deluje da pišu o hirurškim maskama, ne fpp maskama Kliknuo sam na link, i to je meta-studija, dakle smiješane su sve vrste maski (a nije sigurno ni da su uopšte bile nošene, niti nošene kako treba: gledano je samo da li je ljudima rečeno da nose maske vs nije rečeno.) Drugo, u celini radi se više o zaštiti od gripa, a svega par studija uključenih se odnosilo na kovid kao takav. Za pohvalu autorima, oni sami kažu u zaključku: Quote The high risk of bias in the trials, variation in outcome measurement, and relatively low adherence with the interventions during the studies hampers drawing firm conclusions. Možda je ovo stiglo u vesti i s toga što je glavni autor, Tom Jefferson, pomalo ekscentričan i voli da daje neobične izjave. 1 Quote Link to comment
I*m with the pilots Posted February 26 Share Posted February 26 Neko ko pažljivije čita/bira/analizira: https://m.facebook.com/story.php?story_fbid=pfbid0abXQwnA2wcT9PA5tPdqzn5Vt1DXGoFPnQyFP9ePWCvQsEobj75iBRCTTS3xejTzFl&id=616963289&eav=Afa6s4oUvMtG7r0HzWG1cOyxeN_B9erdRRKEB68r2kTxN48x4dM_WvSD-yIgEhj-jAI&paipv=0 2 Quote Link to comment
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