Impact of filtering face pieces (FFP3) respiratory protective mask usage on the respiratory functions of informal sector carpenters in Douala: a five-month before-after study.

Pan Afr Med J · 2023 · PMC10787136 · PMID 38223874

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

FVC (% predicted) increased from 89.6 to 93.7, with a CI of -6.0 to -2.3 and a highly significant p-value of 0.000.

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