Impact of long duration wearing of N95 masks on cardiorespiratory system and subjective sensations of health-care workers during COVID-19 era.

J Anaesthesiol Clin Pharmacol · 2022 · PMC9912871 · PMID 36778816

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marginally significantno p-value reported

Headache was marginally significant in below 40 years age group though it was not statistically significant.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.