Reflections on variability in the blood-breath ratio of ethanol and its importance when evidential breath-alcohol instruments are used in law enforcement.

Forensic Sci Res · 2020 · PMC7782040 · PMID 33457048

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highly significantno p-value reported

The Pearson correlation coefficient was statistically highly significant ( r = 0.948) and the random variations or scatter of points around the regression line (residual SD) was only 0.004 g/210 L, being 8.5% of the mean BrAC.

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