The CYP1A2 -163C>A polymorphism does not alter the effects of caffeine on basketball performance.

PLoS One · 2018 · PMC5905997 · PMID 29668752

Europe PMC DOI

hedged sentence

0.3300

closest p · 6.6× alpha

0.3300

boldest claim

The sentences

did not reach statistical significancep = 0.33not close (p > 0.1)

Results In the 10 repetitions, caffeine increased Abalakov jump height by a mean of 2.9±3.6% in AA homozygotes ( p = 0.03) while this effect did not reach statistical significance for C-allele carriers (2.3 ± 6.8%; p = 0.33).

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