Methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism and age at onset of schizophrenia: no consistent evidence for an association in the Nordic population.

Am J Med Genet B Neuropsychiatr Genet · 2012 · PMC3739001 · PMID 23076983

Europe PMC DOI

hedged sentence

0.1700

closest p · 3.4× alpha

0.1700

boldest claim

The sentences

did not reach statistical significanceP = 0.17not close (p > 0.1)

A meta-analysis of all five samples resulted in a pooled association estimate of 0.42 ± 0.26 years earlier age at onset of schizophrenia per T-allele (mean ± SE), which did not reach statistical significance ( P = 0.17).

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