Carbon dioxide rises beyond acceptable safety levels in children under nose and mouth covering: Results of an experimental measurement study in healthy children.

Environ Res · 2022 · PMC9142210 · PMID 35636467

Europe PMC DOI

hedged sentence

0.0000

closest p · 0.0× alpha

0.0000

boldest claim

The sentences

highly significantp < 1*10 −9actually significant

A linear model with age as a covariate showed a highly significant effect of the condition (p < 1*10 −9 ).

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