Use of face mask by blood donors during the COVID-19 pandemic: Impact on donor hemoglobin concentration: A bane or a boon.

Transfus Apher Sci · 2021 · PMC8152240 · PMID 34217601

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an overall trendno p-value reported

Group 2 showed an overall trend of donors having higher hemoglobin compared to group 1. 47.1 % of group 2 donors had Hb of 16.1−18 g/dl compared to 38.4 % in group 1.

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