Tobacco Smoke and CYP1A2 Activity in a US Population with Normal Liver Enzyme Levels.

Int J Environ Res Public Health · 2021 · PMC7956356 · PMID 33668222

Europe PMC DOI

hedged sentences

0.1200

closest p · 2.4× alpha

0.1200

boldest claim

The sentences

marginally significantp ≤ 0.12not close (p > 0.1)

AST: AST was inversely associated with all caffeine metabolite indices among never smokers, where the p -value for trends were either statistically significant ( p < 0.05) or marginally significant ( p ≤ 0.12).

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a marginal trendno p-value reported

Note, there was a marginal trend among former smokers.

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