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J Bras Pneumol


Title:Influence of age and gender on the profile of exhaled volatile organic compounds analyzed by an electronic nose
Author(s):Dragonieri S; Quaranta VN; Carratu P; Ranieri T; Resta O;
Address:"Scuola di Medicina, Universita degli Studi di Bari, Bari, Italia"
Journal Title:J Bras Pneumol
Year:2016
Volume:42
Issue:2
Page Number:143 - 145
DOI: 10.1590/S1806-37562015000000195
ISSN/ISBN:1806-3756 (Electronic) 1806-3713 (Print) 1806-3713 (Linking)
Abstract:"We aimed to investigate the effects of age and gender on the profile of exhaled volatile organic compounds. We evaluated 68 healthy adult never-smokers, comparing them by age and by gender. Exhaled breath samples were analyzed by an electronic nose (e-nose), resulting in 'breathprints'. Principal component analysis and canonical discriminant analysis showed that older subjects (>/= 50 years of age) could not be distinguished from younger subjects on the basis of their breathprints, as well as that the breathprints of males could not distinguished from those of females (cross-validated accuracy, 60.3% and 57.4%, respectively).Therefore, age and gender do not seem to affect the overall profile of exhaled volatile organic compounds measured by an e-nose"
Keywords:Adult Age Factors Aged Analysis of Variance Breath Tests/methods Cross-Sectional Studies *Electronic Nose *Exhalation Female Healthy Volunteers Humans Male Middle Aged Reference Values Sex Factors Spirometry Volatile Organic Compounds/*analysis Young Adul;
Notes:"MedlineDragonieri, Silvano Quaranta, Vitaliano Nicola Carratu, Pierluigi Ranieri, Teresa Resta, Onofrio eng por Brazil 2016/05/12 J Bras Pneumol. 2016 Apr; 42(2):143-5. doi: 10.1590/S1806-37562015000000195"

 
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