Study Comparing Surgical and N95 Masks Sparks Concern
Experts have identified shortcomings in a study that suggests that surgical masks are not inferior to N95 masks for protecting healthcare workers against COVID-19.
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Experts have identified shortcomings in a study that suggests that surgical masks are not inferior to N95 masks for protecting healthcare workers against COVID-19.
The results follow the tracking of over 1000 health-care workers providing Covid-19 patient care at 29 sites in Canada, Egypt, Israel and Pakistan between May 2020 and March 2022
Researchers found that in the intention-to-treat analysis, reverse transcriptase polymerase chain reaction-confirmed COVID-19 occurred in 10.46 and 9.27% of participants in the medical mask and N95 respirator groups, respectively.
Surgical masks are not inferior to N95 masks for stopping the spread of Covid-19 among health-care providers at hospitals, according to researchers.According to a study led by researchers at McMaster University in Canada who tracked 1,009 ...
'Generous' noninferiority threshold met, but could be unacceptable to many, says editorialist