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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1985-12-5
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pubmed:abstractText |
We investigated the behaviour of several indices of ventilation unevenness in a sample of 234 normal subjects aged between 20 and 80 years, divided into 12 classes of 5 years each. The aim of the present study was to find out whether it is possible to predict a reliable value for each of these indices as a function of age, height and TLC. For each index a large dispersion of experimental points and a high unexplained variance was found, so that it does not seem worthwhile predicting its value as a function of age, height and TLC. We concluded that there is no reason to employ these indices to detect the beginning of a lung function impairment.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0025-7931
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
48
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
145-52
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pubmed:dateRevised |
2009-11-11
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pubmed:meshHeading |
pubmed-meshheading:4059669-Adult,
pubmed-meshheading:4059669-Aged,
pubmed-meshheading:4059669-Evaluation Studies as Topic,
pubmed-meshheading:4059669-Female,
pubmed-meshheading:4059669-Humans,
pubmed-meshheading:4059669-Male,
pubmed-meshheading:4059669-Middle Aged,
pubmed-meshheading:4059669-Nitrogen,
pubmed-meshheading:4059669-Regression Analysis,
pubmed-meshheading:4059669-Respiratory Function Tests,
pubmed-meshheading:4059669-Total Lung Capacity,
pubmed-meshheading:4059669-Vital Capacity
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pubmed:year |
1985
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pubmed:articleTitle |
Detection of ventilation unevenness by nitrogen washout and forced vital capacity manoeuvres: its limits and reliability.
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pubmed:publicationType |
Journal Article
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