Lung attenuation measurements in healthy young adults.
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0.05 at VC10%/VC90%). CONCLUSIONS: Lung attenuation during inspiration was lower at the MC level than at the top, but higher on expiratory scans. No sex-related differences were found. Lung attenuation decreases with age on expiratory scans. This seemed to be of more importance than the amount of pack-years of smoking. A relationship with lung function parameters is not uniformly proven.