| Accuracy and reliability of breath alcohol testing by handheld electrochemical analysers. | |
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MedLine Citation:
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PMID: 18406550 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Usefulness of portable, handheld breath analysers equipped with electrochemical sensor was assessed. Breath- and blood-alcohol concentrations in drunken drivers were taken from 370 expert opinions elaborated at the Institute of Forensic Research between January 1st 2002 and February 28th 2007. The results of second and subsequent measurements were re-calculated using mean elimination rates. The readings of portable instruments were in very good agreement with the results of confirmatory analyses performed by stationary devices (r=0.978, p<0.001, y=0.969x-0.0002). The correlation with the results of blood analysis was weaker (r=0.940, p<0.001, y=1.722x+0.214), but comparable with the correlation between the readings of stationary devices and the results of blood analyses (r=0.936, p<0.001, y=1.790x+0.091). The readings of portable and stationary breath analysers were also compared by the Bland-Altman plots. The differences in results were independent of alcohol concentration (absolute difference (mg/L): r=0.054, p>0.1, y=0.011x+0.013; relative difference (%): r=0.020, p>0.1, y=0.90x+2.36). |
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Authors:
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Dariusz Zuba |
Publication Detail:
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Type: Journal Article Date: 2008-04-11 |
Journal Detail:
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Title: Forensic science international Volume: 178 ISSN: 1872-6283 ISO Abbreviation: Forensic Sci. Int. Publication Date: 2008 Jul |
Date Detail:
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Created Date: 2008-06-02 Completed Date: 2008-07-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7902034 Medline TA: Forensic Sci Int Country: Ireland |
Other Details:
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Languages: eng Pagination: e29-33 Citation Subset: IM |
Affiliation:
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Institute of Forensic Research, Westerplatte 9, 31033 Krakow, Poland. dzuba@ies.krakow.pl |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Automobile Driving
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legislation & jurisprudence* Breath Tests / instrumentation* Central Nervous System Depressants / analysis* Electrochemistry Ethanol / analysis* Forensic Toxicology Humans Linear Models Reproducibility of Results Retrospective Studies Substance Abuse Detection / instrumentation* |
| Chemical | |
Reg. No./Substance:
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0/Central Nervous System Depressants; 64-17-5/Ethanol |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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