Phosphatidylethanol in the blood (PEth) is a stable, highly-specific, sensitive marker for detecting chronic excessive drinking behaviour with a regular daily alcohol intake.
How long is
Phosphatidylethanol is detectable in blood for up to 28 days without alcohol.
What can affect
Sex, age, gender and body mass do not influence the normalisation rate of Phosphatidylethanol (PEth). In comparison to serum CDT, PEth appears more sensitive. CDT is an indirect marker, and PEth is a direct marker.
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Phosphatidylethanol (PEth) is a stable, highly specific and sensitive marker for detecting chronic excessive drinking behaviour with a regular daily alcohol intake. PEth is a direct biomarker which is only formed after the consumption of alcohol.
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